Mei retired from her glamorous entertainment career to marry into her husband's family. Struggling to adapt to her new life and care for her senile father-in-law, she tries to stay positive. However, her sister-in-law, who had been raised by Mei as a mother figure, harbors deep resentment toward her. The sister-in-law manipulates their father into assaulting Mei, initiating a series of cruel and sexual torments. As the psychological and sexual abuse intensifies, Mei's repressed feminine desires gradually awaken, marking the beginning of a dark new chapter in her life.