Brij Mohan (36), a hosiery shop owner in a busy Delhi market, desperately wants to change his life. He is fed up of his ball-crusher wife and mounting debts. In order to escape his wretched life, he changes his appearance and adopts a new identity as Amar Sethi, but ends up mitting a botched up murder. He runs off with his young girlfriend, hopeful of making a new beginning. Instead, as luck would have it, he finds himself trapped in a web of his own Karma.

立仁（刘德华 饰）自小便怙恃双亡，在泰国的孤儿院长年夜。长年夜后，立仁进进了泰国空军。此时，他仍耿耿于怀昔时怙恃的灭亡。本来，在立仁9岁的时辰，他的怙恃带着他携带一批主要资料和物品来到泰国，岂料父亲的结拜兄弟财迷心窍，将他的怙恃杀戮了。一天，立仁糊里胡涂的和敌人的情妇Mona（关之琳 饰）产生了关系，由此遭到了杀手的追杀。无奈之下立仁逃到了美国追求CIA的帮忙。在美国，立仁无意中又救了敌人的女儿Chrystal（吴倩莲 饰），两人堕进了爱河。恋爱、亲仇交叉在一路，立仁该何往何从？