百万富翁梅森墨菲翻新闹鬼的梅休豪宅。他计划举办一场盛大的月食观赏派对来庆祝他的回归，但在派对上，一个女巫施了一个咒语来召唤她死去的男朋友的灵魂，这导致了一系列致命的事故和报复性杀戮，然后所有的怪物都出来了。每一次死亡都是独一无二的，令人毛骨悚然的，令人恐惧...

Eight friends, all in a stable relationship, decide to venture into a game of sexual discovery by exchanging couples while trying to free themselves from their daily routine and add a spicy touch to their love life.