Recaps

At a Christmas gathering, Sitangna and Sherlock performed two emotional violin and piano pieces together, moving everyone in the room. The chapter ended with the guests still absorbing the performance of “I Love You.”

• Sitangna copied the scores for “A Night of Confession” and “I Love You” and invited Sherlock to perform them with her.
• Sherlock quickly memorized the music, and he and Sitangna played “A Night of Confession” for the guests.
• The performance moved Watson, Janet, Emily, and the others to tears, while Lestrade praised the musicians.
• Sitangna and Sherlock performed “I Love You,” leaving Emily murmuring that giving Sitangna the piano had been the right choice.

Sitangna and Sherlock's performance amazed their guests, and a mistletoe tradition led Sherlock to kiss her. The kiss left Sitangna overwhelmed and Molly heartbroken, and the gathering ended with everyone opening presents instead of playing games.

• Sitangna and Sherlock performed together, impressing Molly, Janet, Mycroft, Lestrade, and Mrs. Hudson.
• Sherlock caught a sprig of mistletoe, and Mrs. Hudson explained the Christmas tradition of kissing beneath it.
• Sherlock told Sitangna to close her eyes and kissed her, leaving her stunned and the room in shocked silence.
• Molly realized Sherlock had feelings for Sitangna, said good night, and left; Lestrade followed to ensure she got home safely.
• Watson gave Lestrade the return gifts, and the remaining guests abandoned their planned games and opened presents beneath the Christmas tree.

The group exchanged carefully chosen Christmas gifts, and Sitangna received handmade keepsakes and practical presents. She opened Sherlock’s final gift, a personalized perfume bottle decorated with a silver chain and blue diamonds.

• Mrs. Hudson received health and beauty gifts, while Watson gave Janet green gemstone studs and Sherlock teased Watson about a gaudy tie.
• Sherlock returned Mycroft’s voice recorder and accepted Mycroft’s black card as his gift.
• Sitangna gave everyone handmade ceramic figurines, and Emily gave the group matching cashmere gifts.
• Sherlock gave Watson a custom mystery-game cartridge, while Mrs. Hudson gave Sherlock and Watson hand-knitted socks and Sitangna a red sweater.
• Watson gave Sitangna a mini Hero Swiss Army knife, and Sherlock gave her engraved perfume with a silver chain and blue diamonds.

Sitangna enjoyed the custom perfume Sherlock had blended for her, along with the blue diamond necklace he gave her using Mycroft’s stone. After Emily got drunk and the party ended, Sherlock and Mycroft shared a Christmas greeting outside.

• Sitangna tested Sherlock’s custom perfume, and Sherlock explained its pear, white peony, tea, and cedarwood notes.
• Emily and Janet asked about getting custom perfumes, and Sherlock told them where the shop was and how Sitangna’s scent differed from the ready-made blends.
• Sherlock revealed that the perfume bottle’s chain was a necklace and that he had taken Mycroft’s blue diamond to give to Sitangna.
• Sitangna accepted the two-carat necklace after Sherlock fastened it around her neck, while Emily promised to give her a more deeply colored diamond for her birthday.
• After Emily drank too much and asked to sleep with Sitangna, Mycroft prepared to leave, and Sherlock went outside with him.
• Sherlock and Mycroft smoked beneath the shop’s awning, discussed Sherlock’s attempt to quit nicotine, and wished each other Merry Christmas.

Sitangna found footage suggesting Sherlock had arranged for mistletoe to fall on them, then confronted him about using their kiss to discourage Molly. Sherlock denied confessing to any crime, and Sitangna showed him the camera evidence.

• Sitangna let Candy spend 61 task points and agreed that Candy could leave for two days to level up.
• Sitangna accidentally opened Emily’s camera gallery and discovered footage of Sherlock kissing her and the Christmas tree shaking before mistletoe fell on them.
• Sitangna went to Sherlock’s room with the camera, accusing him of staging the kiss to hurt Molly’s feelings and use her as a shield.
• Sherlock denied arranging anything, while Sitangna returned to the accusation and pointed out that the camera had captured the mistletoe falling.

Sitangna realized she had wrongly blamed Sherlock for the Christmas tree incident, and he stopped her from fleeing to ask whether she was upset for Molly or because she felt deceived. Sherlock admitted that Sitangna had stirred powerful feelings in him, though he had not yet confirmed that they were love, and he left to retrieve something from his desk.

• Sherlock showed Sitangna that Lestrade had accidentally shaken the tree, while Watson had broken a branch and hung the wreath back up.
• Sitangna apologized for falsely accusing Sherlock, then tried to leave as others secretly eavesdropped outside the room.
• Sherlock stopped Sitangna and asked whether she was upset about Molly's hurt feelings or about feeling deceived.
• Sherlock described how emotions had once seemed like interference to him, then confessed that watching Sitangna at the clock tower had caused an unusual rush of hormones.
• Sherlock said he had tried to classify and erase his feelings as a system error, then turned to retrieve something from his desk.

Sherlock gave Sitangna a report documenting his efforts to understand his feelings and admitted that he had a strong emotional attachment to her. After Sitangna agreed to help him observe his reactions, they found Emily, Janet, and Watson eavesdropping outside his room, and Sitangna kissed Sherlock good night.

• Sherlock handed Sitangna a detailed report about his emotional and physiological reactions, including how his feelings for her recalled a childhood grief he had long suppressed.
• Sherlock told Sitangna he had confirmed his strong emotional attachment to her and asked her to follow his instructions so he could study his reactions.
• Sitangna teased Sherlock about his physiological reactions, then shoved him away and said she should return to her room.
• Sherlock opened the door and found Emily, Janet, and Watson piled up outside, pretending they had come to get water.
• Sherlock walked Sitangna upstairs, and she kissed him on the forehead before saying good night.

Sherlock reflected on how Sitangna’s presence had turned into love, while Moriarty and Eurus discussed her unusual perceptiveness and the failed Hound case. Eurus became interested in meeting Sherlock, Sitangna, and Watson herself.

• Watson and Janet questioned Sherlock about his relationship with Sitangna, and Sherlock said they were not official yet.
• Sherlock recalled how his suspicion of Sitangna had gradually become attraction, especially while she was away from Baker Street.
• Sherlock remembered cleaning the laboratory after Sitangna was burned and struggling with her absence after she left for a project meeting.
• Moriarty and Eurus watched footage suggesting Sherlock had fallen in love with his partner, and Moriarty said Sitangna had detected his hidden informant.
• Eurus said Sitangna’s abilities seemed comparable to Sherlock’s and expressed interest in meeting the trio.

Sherlock, Watson, and Sitangna investigated MP Charlie Andrew’s apparent Christmas Day suicide after Lestrade asked them to take the case. Sherlock found evidence of an intruder and suspected the scene had been staged, but the chapter ended before he identified the killer.

• Lestrade called Sherlock to investigate Charlie Andrew’s death, a case tied to his promotion.
• Sherlock woke Watson and Sitangna, and the three traveled to Andrew’s residence with sandwiches from Mrs. Hudson.
• Sherlock, Watson, and Sitangna examined signs that someone had climbed into the garden and estimated the intruder’s height and weight.
• Lestrade showed them the preliminary medical report, which described Andrew’s death as a skull fracture caused by striking an antique globe stand.
• Sherlock noted signs of fatigue and internal bleeding, then suggested the killer had opened a window to let the wind and snow disperse evidence in the air.

Sherlock and Watson uncovered that Andrew’s apparent suicide was staged and discovered that Victor had also been killed, raising suspicions of a conspiracy involving the Cavendish family. Sherlock confronted Mycroft, accusing him of arranging Emily Cavendish’s kidnapping to draw out the force behind the family.

• Watson noticed that the blood spatter at Andrew’s scene was unnatural, and Sherlock concluded that Andrew had been murdered and his body repositioned.
• Lestrade showed Sherlock, Watson, and Sitangna a second body in Andrew’s basement, which proved to be Victor despite the earlier report that Victor had died by suicide.
• Watson and Sitangna questioned how Victor had been replaced after his capture, and Sherlock suspected that the Cavendish family’s trusted investigators had been compromised.
• Sitangna called Emily, but Sherlock realized from the background sounds that Emily was at the docks, not Baker Street.
• Sherlock searched Andrew’s study, then contacted Mycroft and accused him of using Emily’s kidnapping and Victor’s hatred to lure out the power behind the Cavendish family.

Sherlock deduced that Mycroft had recruited Victor and Emily for an anti-corruption operation, while Victor’s death involved a neurotoxin tied to his research. Professor Ashton gave Sherlock intercepted communications that could expose Oliver Cavendish’s network, leaving the investigation with new evidence to pursue.

• Sherlock showed Mycroft a silver pin found in Victor’s mouth and accused him of recruiting Victor and Emily for an anti-corruption squad.
• Mycroft warned Sherlock that his inquiries could cause trouble and said Emily had a mission to complete.
• Molly identified traces of a rare neurotoxin in Victor’s brain and said it closely matched a chemical Victor had developed.
• Professor Ashton identified the toxin as a molecular carrier called Angel Dust and explained that its formula was stored in Victor’s encrypted notes and a secure server.
• Ashton gave Sherlock a chip containing fragments of encrypted communications Victor had intercepted from Oliver Cavendish’s network.

Sherlock and his team uncovered evidence that Victor Trevor was an impostor while investigating Andrew’s death, but Mycroft ordered them to stop after they accessed a sensitive watchlist. Mycroft declared the case closed and warned Sherlock to stay silent, leaving Sherlock determined to discover who Victor really was.

• Watson and Sitangna traced Cerberus Life Sciences’ security chief and anonymous funding to figures on Mycroft’s sensitive watchlist, prompting Mycroft to order them all back to Baker Street.
• Sherlock, Watson, and Sitangna left the police station with their reports, and Sitangna thought someone had been watching them from a café.
• At Baker Street, Sherlock and his companions found that Victor’s DNA records and childhood photographs did not match, suggesting he was not the real Victor Trevor.
• Mycroft told Sherlock that Andrew’s death had been ruled accidental and ordered him to stop investigating and speaking about the case.
• Sherlock challenged Mycroft’s hesitation about Victor and vowed to uncover the truth himself.

Sherlock brought Watson and Sitangna to spend New Year at the Holmes family home, where Mrs. Holmes welcomed them with food and warmth. After lunch, Sherlock bundled Sitangna up for playing in the snow, and Watson immediately started a snowball fight.

• Sherlock brought Watson and Sitangna to the Holmes family home, where they awkwardly greeted Mr. and Mrs. Holmes.
• Mrs. Holmes showed them to their rooms and served a meal that Sitangna praised and enjoyed.
• After lunch, Watson and Sherlock washed the dishes while Sitangna cleaned the table, then Sitangna and Watson asked to play in the snow.
• Sherlock found childhood snow gear for Sitangna and carefully wrapped her in gloves, a hat, and a scarf.
• Watson threw a snowball at Sherlock as Sitangna rated the hit, while Sherlock dodged and watched from the side.

Sherlock, Watson, and Sitangna fought a snowball battle in the manor yard before warming up and making dumplings with the Holmes family. Their cooking was interrupted when Mycroft arrived home and was invited to join them.

• Watson and Sherlock traded snowballs, and Sitangna joined their chaotic fight after Watson trampled her snow house.
• Mr. Holmes and Mrs. Holmes watched the friends play, and Mr. Holmes comforted his wife as she worried about Sherlock’s future.
• Sitangna and Watson changed into dry clothes, and Sherlock took Sitangna’s punch while warning her to drink something hot.
• Mrs. Holmes proposed dumplings for dinner, and Sitangna assigned everyone tasks before teaching the family how to make them.
• Mycroft arrived while the family made dumplings, and Mrs. Holmes hugged him and invited him to join in.

Mycroft gave Sherlock an old newspaper about a child who disappeared near Musgrave Manor, prompting Sherlock and Watson to investigate the case and recover his forgotten memories. Sitangna recognized the incident as Redbeard and asked Candy to project the plot, while the chapter ended with Sherlock recalling his childhood with Mycroft and finding an old photo album.

• Mrs. Holmes made Mycroft join the family in making dumplings, and everyone shared an early dinner before he gave Sherlock an old newspaper.
• Sherlock read a notice about a child who had disappeared near Musgrave Manor in the early 1990s and recognized the case as the Redbeard incident.
• Sitangna worried that the case had surfaced earlier than expected and asked Candy to project how the plot was developing.
• Sherlock and Watson planned to search around Musgrave Manor the next morning, while their attempts to find the missing child's family or police records stalled.
• Sherlock told Watson and Sitangna stories about Mycroft's childhood, then went to his room and found an old photo album.

Sherlock’s forgotten childhood dog prompts questions about his memories, while Eurus’s knowledge of Sitangna leads Mycroft to investigate her surveillance footage. Meanwhile, Oliver learned that the political purge required him to sacrifice his only child.

• Sitangna and Watson teased Sherlock over his childhood curls, and Sherlock wondered why his family photos showed no sign of his childhood dog, Redbeard.
• Watson discovered he had missed Janet’s messages while talking with Sherlock, and Janet hung up as soon as he called to explain.
• Eurus ate dumplings from her family and asked Mycroft to send Sitangna or Watson to visit, revealing that she knew about Sitangna.
• Mycroft ordered David to close Eurus’s cell, then requested access to two months of surveillance footage after she injured her fist punching a drawing on the glass.
• Oliver protested when officials told him about the purge, realizing they expected him to get rid of his only child.

After the Gear Society voted to eliminate Emily, Oliver arranged her escape and stayed behind to face the assassins. News of Oliver’s apparent suicide reached Sitangna, Watson, and Sherlock, who still had no sign of Emily and worried that a major turning point was near.

• The Gear Society ended its meeting with a vote against Emily, and Oliver was powerless to stop them.
• Cuike helped Emily escape through a secret passage and hide in a gardeners’ garbage truck.
• Oliver, poisoned and near death, urged Cuike to take the safe’s contents and protect Emily; Cuike fled with them before the assassins arrived.
• News reports said Oliver had died by poison and that Charlie Andrew had also died in an apparent accident.
• Sitangna, Watson, and Sherlock discussed their failed search for Emily and the approaching major turning point, while Candy warned that their own team should stay alert.

Sherlock confronted Professor Ashton at the Britain Museum and deduced that Ashton had replaced the real Victor Trevor with his own child, whom the organization later poisoned. As Ashton revealed a photograph of young Sherlock beside the real Victor, Sherlock’s connection to Victor became the mystery left unresolved.

• Sherlock, Watson, and Sitangna met Professor Ashton in the museum’s Egyptian gallery, where Sherlock identified him as connected to Victor.
• Sherlock accused Ashton of replacing the real Victor with his own child and explained how the organization’s poisoned equipment had killed him.
• Ashton released a neurotoxin that caused hallucinations, while Watson and Sitangna tried to protect the affected Sherlock.
• Sherlock stopped Ashton’s syringe attack with a scalpel and demanded that Ashton let them leave.
• Ashton opened a hidden compartment in the Anubis statue and showed Sherlock a photograph of the real Victor Trevor standing beside Sherlock as a child.

Sherlock recovered a buried memory of Victor’s disappearance as Ashton tried to manipulate him, but Sherlock, Sitangna, and Watson fought back and attempted to escape. Moriarty’s masked agents ambushed them in the dark, and Watson was dragged into a hidden passage while Sitangna’s fate remained unclear.

• Ashton provoked Sherlock into remembering Victor being swept away by a wave while a military-uniformed man watched from shore, and Sherlock accused Ashton of being responsible.
• Sherlock and Sitangna stunned Ashton with the communicator, sending their location signal, while Watson held Ashton at gunpoint as they retreated.
• Masked agents emerged after the hall went dark and shot tranquilizer darts at Watson and Sitangna, who used items from Candy to revive the group.
• Moriarty addressed Sherlock over the speakers and challenged him with a treasure-hunt clue, then white smoke filled the exhibition hall when time ran out.
• Sherlock heard Sitangna scream and Watson struggle before masked men bound Watson in a shroud and dragged him into a hidden passage.

Moriarty kidnapped Sitangna and took her to a private laboratory, where staff drew a large amount of her blood. After waking restrained in an operating room, she learned she had a new mission to escape the laboratory and began looking for a way out.

• Sherlock found Nana's shattered phone and saw its GPS trace a C along the Thames before it shut off.
• Moriarty's men carried the unconscious Sitangna away by helicopter and took her to a laboratory.
• Sherlock collapsed in the exhibition hall as Mycroft's rescue team arrived, whispering a nursery rhyme about Victor.
• Candy told Sitangna that a specialist had developed an antidote for the neurotoxin and that laboratory staff had taken nearly 400 milliliters of her blood.
• Sitangna learned that her new side mission was to escape the laboratory and discovered that she was held in a room attached to Professor Ashton's laboratory.

Sitangna and Candy discovered that Moriarty had captured Sitangna to study his abnormal attraction to her. As the task neared completion, Sitangna tried to delay leaving and held a stare through the lab glass while Moriarty watched her.

• Candy examined Moriarty’s research notes and learned that he was measuring his reaction to Sitangna.
• Candy explained that Sitangna’s aura affected Moriarty strongly, while his resistance to attraction made him dangerous.
• Sitangna panicked over the possibility of being dissected, and Candy warned that the system could not protect her from close-contact attacks.
• Sitangna saw that her main task was nearly complete and asked for an extension so she could stay longer with Sherlock.
• Candy told Sitangna to stop struggling and revealed that Moriarty was watching her through the glass.
• Moriarty questioned the lab head about Sitangna’s strange behavior as she stared back at them.

Moriarty examined Sitangna to learn what caused the strange stirrings in him, then cut into her without anesthesia to study her reactions. The pain did not give him the stimulation he expected, and he felt a dull ache instead.

• Moriarty dismissed the preliminary tests and asked the person in charge to describe Sitangna’s appearance and personality.
• Moriarty went to the operating table and questioned Sitangna about whether she expected Sherlock to rescue her, while revealing that John had been taken somewhere near the manor.
• Moriarty admitted he wanted to investigate the hormones produced by fear and refused to anesthetize Sitangna before taking a tissue sample.
• Moriarty cut Sitangna, who cried out in pain, and he found that her suffering brought him a faint ache rather than the expected pleasure.

Moriarty cut Sitangna’s arm to frighten her while Watson woke trapped in a freezing well. Mycroft’s agents traced one kidnapper to Sherrinford and found leads on the other, and Sherlock rushed to search for Watson and Sitangna.

• Moriarty took a small skin sample from Sitangna’s arm, and she endured the pain while resolving to survive and kill him.
• Watson woke in a seawater-filled well, failed to climb out, and feared he would freeze before rescue arrived.
• Mycroft’s agents traced the helicopter carrying one kidnap victim to Sherrinford and narrowed down possible locations for the other kidnapper.
• Sherlock woke after nearly three hours, tore off his medical equipment, and took the agents’ leads from Mycroft.

Sherlock recovered memories of his sister Eurus Holmes and learned that she had abducted John Watson and Miss Sitangna. With Watson trapped in a freezing well beneath a bomb-laden pump truck and Sitangna held at Sherrinford, Sherlock and Mycroft raced to rescue them, leaving Sherlock to solve a puzzle about his memories.

• Sherlock pieced together that Victor Trevor had been the child hidden behind his memories of Redbeard and demanded that Mycroft reveal what he had forgotten.
• Mycroft showed Sherlock a family photograph and told him about their sister Eurus Holmes, whose existence Sherlock could not remember.
• Agents reported that John Watson was trapped in a well at Musgrave Manor and that Miss Sitangna’s tracker led to Sherrinford Prison.
• Sherlock ordered Mycroft to rescue Watson while he arranged to enter Sherrinford, but Eurus called and promised Sitangna would remain safe until Sherlock arrived.
• Mycroft prepared to fly to Musgrave Manor and told Sherlock that he would have to solve the pump truck’s one-word puzzle, “memories,” to save Watson.

Sherlock recalled Eurus striking Victor with a telescope as a child and used their shared memories to crack the bomb code, allowing the rescue team to save John Watson. After seeing Watson rescued, Sherlock continued on to save Sitangna.

• Sherlock remembered that Eurus had taught him to play the violin and recalled her striking Victor with a telescope after Victor taunted her.
• A surveillance video confirmed that Eurus had hit Victor, leaving him motionless with blood spreading across the playroom carpet.
• As water rose around John Watson in the well, Sherlock recalled the number sixteen times six and worked out the code 1622696.
• Watson found a child's skull in the well, and the rescue team used Sherlock's code to disarm the bomb and cut through the steel plate.
• The rescue workers pulled Watson from the well, and Watson waved to Sherlock, urging him to save Sitangna.