A young man trapped in his apartment with a swarm of demons outside his door must find a way to survive the night and escape from apartment 213.

七十年代的海湾城警局里，有一位敬业又略显癫狂的警探大卫•斯塔斯基（本•斯蒂勒 Ben Stiller 饰），大卫作风强硬，哪怕再小的案件他也要不计代价抓捕罪犯。而卧底探员肯•哈金森（欧文•威尔逊 Owen Wilson 饰）则几乎完全相反，肯时常装做匪徒打劫，之后借卧底身份溜之大吉。因大卫失去了搭档