Recaps

After the crash, Lu Zhe led four classmates through their first day of survival, finding water and food while treating injuries and adapting to the island. As night fell, they built a heated shelter and settled into shifts, with Lu Zhe keeping the first watch and reviewing his system.

• Lu Zhe found Lin Qianqian unconscious on the beach, revived her, and reunited with Ning Shu and Tang Xiaoguo before locating Jiang Yao.
• Lu Zhe organized the survivors at a temporary camp, made bottle stills, and led Ning Shu into the woods, where they found fresh water and wild persimmons.
• When a cobra bit Tang Xiaoguo, Lu Zhe treated the wound, later gathered kelp and fish mint, and searched the camp’s waste for seeds to plant.
• Lu Zhe found a pool of fresh water and used Jiang Yao’s bra padding to filter it, then forced her to face the unhygienic measures the group had taken to save her.
• Lu Zhe started a fire with a hand drill, clearing up the girls’ mistaken belief that he was doing something improper, and assigned Ning Shu to search for seeds.
• The group collected more than thirty seeds from Tang Xiaoguo’s waste while Lu Zhe prepared roasted kelp and cobra meat for dinner.
• As the weather turned cold, Lu Zhe directed the group to build a leaf-lined sand shelter and make hand warmers from heated stones and seawater.
• The four girls fell asleep in the shelter while Lu Zhe took the first watch, tended the fire, and checked his system data and abilities.

Lu Zhe and the four students improved their shelter, food, tools, and survival skills while searching for rescue and learning that another flight survivor was stranded nearby. After deciding to move to Volcano Island for freshwater, they began gathering materials for a raft.

• Lu Zhe and the girls kept Tang Xiaoguo warm through a cold night, and she recovered, though she and Lu Zhe accidentally kissed at dawn.
• Lu Zhe led the group in gathering coconuts and supplies, then moved camp to the coconut grove after Jiang Yao sprained her ankle.
• Lu Zhe made tools, distilled seawater, built an SOS marker, and helped the group prepare message bottles for rescue.
• Lu Zhe and the girls built a shelter, set traps and fishing nets, gathered food, and spotted a distant object offshore that proved to be a small island.
• Lu Zhe and Ning Shu explored the island, shared a one-day relationship and kiss, and found a message from Ruan Bing, the flight attendant stranded elsewhere.
• Lu Zhe and the girls agreed to move to Volcano Island within seven days because they lacked a dependable freshwater source, and Lu Zhe began preparing raft materials.
• Lu Zhe searched the jungle with Lin Qianqian, taught her to identify useful plants, and dug up a sweet potato plant to transplant near camp.