This article is about the American filmmaker. For the American publisher and writer, see Larry N.Jordan. Larry Jordan is an independen t filmmaker who has been working in the Bay Area in California since 1955, and making films since 1952. He has produced some 40 experimental and animation films, and three feature-length dramatic films. He is most widely known for his animated collage films. In 1970 he received a Guggenheim Fellowship to make Sacred Art of Tibet. His animation has shown by invitation at the Cannes Film Festival. Jordan is one of the founding directors of Canyon Cinema Cooperative. He has shown films and lectured throughout the country. He is presently chairman of the film department at the San Francisco Art Institute.

查小刀（孙俪 饰）智商极高，但性格软弱怕事，莫非里（邓超 饰）不过是一介混混，但个性嚣张跋扈，一场车祸让两人相遇，莫非里毫无意外的狠狠在查小刀的身上诈了一笔。亲情淡漠，工作受挫，又遭恶人欺压，查小刀心灰意冷，无意之中得知了有一位名为折耳根（梁超 饰）的神医专治各种疑难杂症，于是便起了向他寻求良方的念头。让查小刀没有想到的是，莫非里居然也是折耳根的病人，常年的失眠困扰着他令他痛不欲生。折耳根告诉两人，他们其实正是彼此的“良药”，为了“治病”，查小刀和莫非里结为搭档共同进退，惹出了无数的麻烦和笑话，与此同时，亦结下了深厚的感情。

阿Mike（吴彦祖 饰）出身警察之家，可惜父母早死，与舅舅住在一起，一直被当作多余的人。在警局做警察太过拼命，又成为同行的眼中钉。内心郁闷只有在警局locker一个人冲凉时才能缓解。一次任务中的意外让Mike受到处分，组长刘Sir让他放假。Mike在打游戏机的时候偶遇洪兴大哥任擎天（曾志伟 饰），二人结缘。随后在酒楼又偶遇任的妻子Pauline（关秀媚 饰），Mike被美丽的阿嫂吸引。刘Sir最终决定让Mike去做卧底，埋伏在任的身边，而一直郁郁不得志的Mike却自打着出人头地的如意算盘……

一个拙劣的信仰治疗赋予了一个被欺负的少年超自然的萨满力量。 当他终生的折磨者搞出一个恶作剧杀死他所爱的人时，他用自己的力量进行报复，并开始血腥横冲直撞以解决问题。