In the story of Pei Yunge, a girl's family favors their adopted daughter over her, leading to betrayal. When a fan of the story unexpectedly finds herself in Yunge's body, she seeks revenge against those who wronged her, starting with the director of the psychiatric ward where she was sent. Determined to punish everyone who harmed her, she is particularly focused on Qin Youjiao, who took her rightful position as the Qin family's daughter. How far will Yunge go to regain what is rightfully hers?