美国禁忌4

　　宇航员雅各布（亚当·桑德勒 Adam Sandler 饰）独自前往太阳系边缘执行科研任务，六个月后，他回到地球发现婚姻已经触礁。而唯一能帮助他挽回妻子兰卡（凯瑞·穆里根 Carey Mulligan 饰）的，竟然是潜伏在飞船内来自时间之初的神秘生物哈努什（保罗·达诺 Paul Dano 配音）。

　　A team of influencer bloggers decides to hold a ritual at the mansion of the "black countess". A fan of the supernatural, she disappeared without a trace after she was offered to play a game that was supposed to take her to another dimension. By evoking the spirit of the Countess, bloggers let otherworldly forces into the world. The one who can bring the demons back will survive.

　　一位女歌手在目睹其一位歌迷诡异自尽后，身边开始出现各种奇怪的微笑现象，其歌迷纷纷精神失常，开始疯狂地微笑，对女歌手穷追不舍。