法医沈(shěn )南(nán )乔与保安(ān )队长王天谅调查“囍神阴魂”第一夜便撞见诡异一幕,红(hóng )姑(gū )子的绣花(huā )鞋(xié )半悬在迷雾里,红灯笼无声飘过,仿佛在挑选下一位(wèi )新娘。恐惧在(zài )村(cūn )庄蔓延,一(yī )场(chǎng )尘封的旧债正被冤魂重新唤醒。越接近真相,红姑子(zǐ )的哭声越发(fā )清(qīng )晰,而“囍神(shén )”似(sì )乎始终跟在南乔身后,冥婚的祭典正静静等她入场(chǎng )。直(zhí )到那口红(hóng )棺(guān )材再次打(dǎ )开,她才终于意识到,红姑子未必是鬼,而人,也未必是人(rén )。