Blue a drug in demand which youngsters are addicted currently as its helps them to overcome stress.Bob Biswas an insurance agent is released from the hospital after spanning eight years in coma and is welcomed by his wife Mary and son Benny he has lost his memory and does not remember the past and finds that also has a teenage step daughter Minnie from Mary's late husband David,Minnie is appearing for medical entrance exams and gets used to blue .Bob is approached by two cops Jishu Narag and Kharaj Sahu who asks him to get back to his previous job as a contract killer where he is assigned to kill people dealing with blue.Bob slowly starts to recollect his memory of being a contract killer but is unaware that the big fishes of drug mafia had Pre planned the events for him. 从远古到今天。 马老六（任达华 饰）、阿龙（郑浩南 饰）和阿苗（施绮莲 饰）是从小玩到大的青梅竹马，长大之后，马老六只身前往美国，阿龙和阿苗则结成了夫妻。一晃多年过去，马老六从国外归来，俨然一幅成功人士的模样，重逢的喜悦平复之后，阿龙和阿苗决定跟随马老六去美国闯一闯。 马老六先将阿苗带出了过，让阿龙没有想到的是，妻子竟然就此失去了音讯。心中充满了疑惑的阿龙亲自来到了美国，才知道马老六在美国干的竟然是违法勾当。一场意外让阿龙成为了警方通缉的逃犯，这一变故戳破的马老六苦心经营的谎言，原来，马老六欺骗阿苗，说阿龙遭遇车祸不幸去世，悲伤和绝望之中，阿苗改嫁马老六。谎言被揭穿之后，阿龙和阿苗终于团聚。
