单亲姐妹莱拉（米莎·巴顿 Mischa Barton 饰）和詹妮特（朱莉安妮·米歇尔 Julianne Michelle 饰）与身为摇滚乐手的母亲玛蒂（瑞贝卡·德·莫妮 Rebecca De Mornay 饰）住在一起，母亲热衷于镁光灯下的激情，性格奔放豪迈。可随着女儿逐渐长大并有了自主意识，母女的关系变得不再融洽。在一次小事件后，詹妮特自顾自找到一间便宜的公寓外住。然而入住当晚，詹妮特便被种种诡异事件以及这间公寓的旧闻所吓坏。当晚，她目睹神秘的女子黑影，遭受强烈撞击后昏迷。次日，詹妮特希望能回母亲家，结果遭到姐姐拒绝。她找来男友陪伴，半夜时分当男友外出时被恐怖的女性怨灵扔出窗外，坠楼身亡。 数日后，劳拉来到这间1303公寓收拾遗物，当她亲身进入房间后，才意识到妹妹所述的全部真实存在……In Detroit, Janet Slate is happy since she has just rented the apartment 1303 of the Lake View Residence and will leave her alcoholic mother Maddie Slate. She calls her sister Lara to tell the news and she meets the girl Emily, who is her next door neighbor. Emily tells her that a girl, Jennifer, has killed her mother many years ago and jumped off the balcony, committing suicide. She also tells her to leave the apartment. Janet hears strange noises in the apartment and she calls her boyfriend Mark Taylor to spend the night with her. When Mark leaves the apartment, Jennifer throws Janet off balcony. The detective in charge of the investigation tells Lara that there are several cases of women committing suicide in that apartment, but he believes that someone has filled them. Lara decides to move to Janet's apartment despite what has happened there.
