Hao Yun, a vet at a private clinic, leads a mundane life until he accidentally discovers the world is inhabited by monsters. Worried about the secret of their existence leaking, monsters capture Hao Yun and attempt to erase his memories. When their attempts fail, Hao Yun is forced to join Monsters Bureau, where he solves cases involving monsters with the help of his new partner, Wu Aiai. As Hao Yun dives deeper into this new world, he learns that even monsters must deal with the mundane struggles of everyday life and the entanglements created by human emotion.

哥哥王炳生（何润东 饰），弟弟陈铁金（李东学 饰），他们曾是相依为命、甘苦与共的兄弟。甚至哥哥炳生为弟弟铁金顶罪入狱十年，满身的伤疤与玩世不恭的态度是这十年的烙印，不变的却是兄弟之间的感情。不料在命运的捉弄下，两人在兵荒马乱的世界里失散，走上了不同的人生道路……
再度相逢时，曾经的患难兄弟已经势不两立。手足情深与家国信仰的冲突，令昔日兄弟成为生死之敌，最终展开了一场生死较量……

2011 film directed by Zhang Yimou