Xiao Lin and Chuan Yu work in the soft porn industry for extra income. They live together like sisters and lovers at the same time. One day, a man who requires customized service hires them to play as his wife and daughter. However, their relationship grows tense during the act. Eventually, the man ‘murdered’ his family in this playhouse game. After the role-playing, the relationship between Xiao Lin and Chuan Yu seems to rot... Can they still regain their original happy relationship?