民国初年,林家镇上发生了一系列离奇古怪的命案。一个婢女死在城隍庙尸体却不翼而飞;连环杀人案现场,尸体旁竟摆放着一只脸庞红彤彤的纸人,有传言说是纸人杀人。这些案件一个比一个蹊跷、诡异,且都与诡秘的“四小阴门”有所关联。警察无从下手,只好去请有着“民间小神探”之称的“二皮匠”沈小寒前来协助破案。神鬼志异荒唐事,红尘断案民间人。诡异的背后是鬼怪作祟还是人心叵测,神秘真相即将被揭开。。Sardonic detective Shane, thrown out of one town for bringing trouble, heads for home and his ex-partner's detective agency. The business is in a sad way, and Shane, who has had the forethought to provide himself with a 250-dollar commission from an old lady on the train, is welcomed with open arms. When pretty Valerie Purvis walks in the next day willing to pay over。