步步杀机

　　A couple on the verge of a nasty divorce attempt to sell their empty love nest and move on with their lives, separately. After a successful open house they are horrified to discover, days later, that a potential buyer didn't leave their home. While Alice is being held captive in the basement, the unannounced house guest moves in upstairs. She senses her capture is being kept a rebellious secret. She knows her way only way out if she can only get out alive.

　　改编自芙蕾达·麦克法登的同名畅销小说。　　为生计挣扎的女子米莉（西德尼·斯维尼 Sydney Sweeney 饰）找到了一个新的开始，在一对看似完美且富有的夫妻妮娜（阿曼达·塞弗里德 Amanda Seyfried 饰）和安德鲁（布兰登·斯克莱纳 Brandon Sklenar 饰）的家中做家政。然而，米莉很快发现一家人的秘密比自己的要危险得多，这座豪宅背后上演着充满秘辛、丑闻、权力诱惑的游戏。

 她是一位国标舞者，却在重大赛事的紧要关头遭遇危机，幸好有位街头舞者挺身而出，不顾自身过往的伤痛，担任她的出赛舞伴。

　　一对年轻夫妇准备烧毁洛杉矶最热门迪厅的舞池，结果召唤出一股渴望未出世婴儿的黑暗力量