恐怖电影《开放日》内容简介：Acoupleonthevergeofanastydivorceattempttoselltheiremptylovenestandmoveonwiththeirlives,separately.Afterasuccessfulopenhousetheyarehorrifiedtodiscover,dayslater,thatapotentialbuyerdidn’tleavetheirhome.WhileAliceisbeingheldcaptiveinthebasement,theunannouncedhouseguestmovesinupstairs.Shesenseshercaptureisbeingkeptarebellioussecret.Sheknowsherwayonlywayoutifshecanonlygetoutalive. /有关《开放日》详尽内容参考《开放日》豆瓣讨论区