法医沈南乔(qiáo )与保安队长(zhǎng )王天谅调查“囍神阴魂”第一夜(yè )便撞见诡异(yì )一幕,红姑子(zǐ )的绣花鞋半(bàn )悬在迷雾里(lǐ ),红灯笼无声飘过,仿佛在挑选(xuǎn )下一位新娘(niáng )。恐惧在村庄(zhuāng )蔓延,一场尘(chén )封的旧债正(zhèng )被冤魂重新唤醒。越接近真相(xiàng ),红姑子的哭(kū )声越发清晰(xī ),而“囍神”似乎(hū )始终跟在南(nán )乔身后,冥婚的祭典正静静等(děng )她入场。直到(dào )那口红棺材(cái )再次打开,她(tā )才终于意识(shí )到,红姑子未必是鬼,而人,也未(wèi )必是人。