A Hong Kong cop named Kit busts a major gangster only to find his cover blown and his main witness gone. The gangster, in retaliation, has him kidnapped and put in a Thai jail with a false criminal identity. Lowly prison guard Chai, with his extraordinary fighting skills, guards Kit and prevents his escape. The prison guard’s daughter suffers from a rare form of leukemia and Kit is the only donor who can save her. The prison guard discovers Kit’s real identity and helps him to escape in return for his agreeing to save his daughter. Together, Kit and Chai must face and take down the gangster and his minions.

上个世纪三十年代，镇江孤女荣锦绣到上海投亲，其姐舞场大姐大荣明珠却因当年亲生母亲之死，心结难开，拒不相认；荣锦绣流落街头之时，被黑道枭雄左震和英少收留。荣锦绣一心要出人头地，让姐姐明珠后悔，从此奔向台柱舞女之路；却不想夜场的“舞女”与荣锦绣想象的舞女天差地别。夜场黑道大哥左震一路呵护，却引得锦绣误会重重，左震、英少、锦绣之间错乱的情感纠葛就此展开……