英雄警察陈家驹（成龙 饰）又回来了。不过，性格火爆、直言不讳的他这次因为不满意上司放走了一个极其危险的重犯而和上司吵翻了，愤然辞职。脱离了警察生活的家驹和女友去旅行期间，一间电话公司遭到了炸弹恐吓，本性难移的家驹马上赶到了现场，着手调查案件。
大白鲨袭击了一艘捕鱼船，在船体上撞出了一个洞。由于距离海岸线几英里远，船上的人们被迫为生存而战，否则他们就会被淹死或者被生吞活剥。
Dali, an ex-convict longing to meet his daughter for the first time. But when a drug raid shatters his chance at redemption, he is hurled into a deadly night that tests his survival and courage.
