Inside the prison cell.
Only Ruyun and Wu Bi remained.
"Ruyun, this dish contains the drug you put in... You were set up!"
Wu Bi's voice held both hatred for her and helpless resignation.
Ruyun recovered from her shock, her eyes vacant. It took her a long time to gather herself.
Looking at the dish, she carefully went over her memories before finally piecing together the entire chain of events.
"How did they know I would drug the Prince?"
In truth, at the beginning, there had only been a few suspicious signs that she was a spy.
Back then, she had delivered a letter three days late. Although the Late Emperor had suspected her, he had spared her life because of the Princess's dying wish.
And because she had grown up alongside the Prince, she had entered the Ninth Prince's Residence.
Over the years, she had been cautious, terrified of making a mistake, terrified that the Prince would catch her dealings with Wu Bi and gain leverage over her.
She had also gradually grown accustomed to being a mistress of the household, increasingly treating the Ninth Prince's Residence as her own home and meddling in everything.
The Prince had stopped returning to the Prince's Manor and begun managing the Main Courtyard separately from it.
Then Liu Wan had married into the household.
Had Liu Wan's presence not stirred a sense of crisis in her.
She might not have acted so soon.
But what she could not understand now was how Liu Wan had known in advance that she intended to drug him, and how she had made all these arrangements.
The dish had not been fed to a dog. It had been sent to Wu Bi instead.
This way.
Wu Bi knew that her entire plan had been exposed, and