In the same time, Jackie Chan, brilliant pool player, winds up in jail after a tortuous and dramatic serie of events that unwillingly led him to murder.

• 剧情描述黄伟（梁家辉饰）为了追查杀死未婚妻父亲的凶手而故意犯罪入狱，在狱中，他碰到了因为各式各样原因入狱的人。