Bing suffers psychological trauma from being bullied by classmates and called "promiscuous" by his first love, Max, during childhood. As an adult, Bing undergoes plastic surgery to become handsome and decides to take revenge on Max. At a bar, Bing encounters the classmates who bullied him and cleverly retaliates, during which he meets Max again. Max is attracted to Bing and helps him out of a tight spot.
Subsequently, Bing becomes entangled in complex emotional relationships with Max, New, and others, and gets involved in Au and Rod's drug dealing and spiking incidents. As Bing spends time with Max, his resolve for revenge wavers, and their relationship fluctuates between good and bad, filled with desire and conflict.