法医沈南乔(qiáo )与保安队长(zhǎng )王天谅调查(chá )“囍神阴魂”第(dì )一夜便撞见(jiàn )诡异一幕,红姑子的绣花鞋半(bàn )悬在迷雾里(lǐ ),红灯笼无声(shēng )飘过,仿佛在(zài )挑选下一位(wèi )新娘。恐惧在村庄蔓延,一场尘(chén )封的旧债正(zhèng )被冤魂重新(xīn )唤醒。越接近(jìn )真相,红姑子(zǐ )的哭声越发清晰,而“囍神”似乎(hū )始终跟在南(nán )乔身后,冥婚(hūn )的祭典正静(jìng )静等她入场。直到那口红棺材(cái )再次打开,她(tā )才终于意识(shí )到,红姑子未(wèi )必是鬼,而人(rén ),也未必是人。