1995年的中国南方小镇，一位12岁的“假小子”备受男孩们的欺负。满心委屈和屈辱的她决定用弹弓将捉弄她的人逐个拿下……

The story takes place in 1995 at a town in southern China. Having been bullied by the boys, a 12-year-old tomboy chases them down with her slingshot.