一对夫妇外出度假，留下孩子们自己在家，然而儿子因为跷课的事情被学校扣留后，轻松的假期结束了，事情也发生了意想不到的转折。
大哥尊非（沈腾 饰）带领一帮兄弟投靠富商大佬，凭借自己的手段在这个机遇与杀机并存的城市混得风生水起。就在尊非以为“钱”途一片光明之际，游走于名利场中的美人老板苏笑（张雨绮 饰）蠢蠢欲动开始筹谋更大的利益，看似置身事外的富商大佬黄朝晋（高捷 饰）也逐渐露出真面目......阴谋背叛、权利纠葛，过命的兄弟为何反目成仇？在极恶与道义的两端，尊非将如何为自己、为兄弟杀出一条血路？
As a child, Luther Watts was deeply affected by seeing a circus geek (someone who bites the heads off live chickens in a circus sideshow). Finally paroled after serving 20 years in prison, he terrorizes the residents of his hometown by making chicken noises, crowing like a rooster and attacking people. He winds up at a farm run by a woman and her daughter, where he takes them captive and then starts killing off her neighbors. The mother realizes she and her daughter must escape before he kills them, too.
Follows Juan, an agent working for the intelligence services, who also reports to a parallel unit involved in illegal activities.
