The heroine Chen Wanwan was tortured and killed by Su Qin, the county boss who had a "character-changing system", and fell into a death cycle. Su Qin tampered with the imperial order and wanted to kill her, but she didn't know that Chen Wanwan awakened the stolen memories and abilities when she was about to die. In the 32nd cycle, Chen Wanwan teamed up with the prince Xiao Ji, who was also trapped in the cycle, and used the memories of his past life to expose Su Qin's crimes of using human blood to make poisonous wine and killing people. In the end, she not only smashed the county lord's conspiracy, but also succeeded in killing him in front of the prince. However, she discovered that the enemy she had offended when she disguised herself as a man was the scheming prince, and the two started to enjoy the enemy mode.