Mafia eldest sister Erfeng (Wu Qingyun is acted the role of) after washing hands with her daughter Ah Mui, Erfeng was driven out of the house because she joined the underworld, and she herself neglected to express her feelings for her family. One day, Ah Mui was taken away by gangsters. Erfeng knows where her daughter is going after fighting with the hooligan A Zhi (Fan Yingke). With the help of Detective A Liang (Pan Qingran) and others, Erfeng begins the risk of taking back her daughter.