我朋友的老婆 3

　　大老板(陈龙饰)所困的不法山客栈迎来了一群不一般的客官，这其中，来势汹汹的西域人究竟是何身份?群妖汇集在此蠢蠢欲动又所图为何?而路经此地的唐僧师徒四人又将变幻何人才能骗过众人耳目?在这座无法使用法力的神秘客栈，一场惊心动魄的西游版“狼人杀”即将拉开序幕。

　　Luna, a cruise ship chambermaid, has to quit her job to attend to her sick brother. While doing so, she discovers that her mother has gone missing and her brother's condition is getting progressively worse. The siblings desperately sneak into an empty condo unit but soon discover that Penthouse 77 is not what it seems.

三兄妹同意见面商讨年迈父亲的未来，但重聚演变成了争吵、嘲弄和旧怨重提。