1911年,陈真为师父霍元甲报仇后投身革命加入中国同盟会,受托调查军阀与日本在天津租界的勾结。在执行任务遭伏击、同伴中毒的险境中,陈真与一度为敌的武人郑绍远从对决到联手,最终陈真在租界内与日谍头目决一死战,揭穿阴谋,公之于众。
When a brothel closes because of new laws, four of the prostitutes decide to go into business running a restaurant. They discover they cannot escape their past.