Heart-severing master Shen Jingwen lives hidden in the market, usually plain and unremarkable, only Hu Yi deeply knows she excels at insight into human hearts. The domestic-abuse survivor Zhao Yarou flees in a sorry state with her child, tearfully asking Shen Jingwen for help, hoping to shake off her husband Su Jian. Shen Jingwen figures out Su Jian's preferences, gently enters the game step by step attacking his heart, helping Zhao Yarou break free from suffering, and Su Jian also receives his deserved punishment. Yet Shen Jingwen and Hu Yi use non-compliant methods to save people, and in the end the two likewise cannot escape retribution; both good and evil have their final destination.