一群乌合之众的潜水员试图从河里打捞一辆沉没的汽车，却被一条极具攻击性的牛鲨阻挠了。
THE CONFINES is a claustrophobic thriller that follows a troubled young woman who, in a last-ditch effort at getting her life together, takes a job working nights as a security guard at an abandoned luxury apartment building. Stuck with a brusque rent-a-cop as her partner, she tries to not let her mind play tricks on her while she patrols the empty halls. But as the night progresses strange things begin to happen - and she realizes it may not all be in her head.
小有名气的惊悚小说作家苔丝·索恩（玛丽亚·贝罗 Maria Bello 饰）受邀去某地进行演讲，人生地不熟的她迷失方向，汽车还在某个根本没有手机信号的地方爆胎。当她手足无措的时候，孔武健壮的卡车司机（威尔·哈里斯 Will Harris 饰）出现答应帮她更换轮胎，然而这个暴徒见色起意，对苔丝进行了残酷的虐待，还把她丢在了一个浸泡着三四具女性尸体的坑道中。侥幸逃命的苔丝一路跌跌撞撞回到家中，她曾尝试报警，却最终三缄其口。在接下来的日子里，苔丝从混乱中理清头绪，她决定用自己的方式向那只禽兽展开报复…… 本片根据斯蒂芬·金的短篇小说改编。
