Siren Phillips has lived her life thinking she's an ordinary girl, in an ordinary town. On the eve of her twelfth birthday, however, she learns

　　当丈夫发现房主是一个精神病患者，后院里藏着妻子的秘密和设计时，丈夫和妻子在一个世纪中期的现代度假租房里度过的周末变得非常危险。