After a criminal network kidnaps Wang Wei's daughter and the corrupt police refuse to assist him, Wei sets out on his own to locate her. Navin, a tenacious journalist whose wife has mysteriously vanished, is his only ally. In this explosive martial arts showdown, the unlikely duo fights the kidnappers ruthlessly driven by a furious vengeance.

馬仔和施丹是同校好友，二人終日無所事事。施丹與惡霸渣巴結怨，慫恿馬仔找他算帳。馬仔和施丹相約渣巴等人放學後「講數」，卻因貪玩爽了約，令渣巴等人苦等。晚上，渣巴在天橋上看見訓導主任在橋底候車，他悄悄拾起一塊石頭，準備擲向訓導主任……