本片讲述一位曾精神受创的女子莫莉，在接受了一年多的治疗后终于出院了。为了开始新的生活，她搬到了新的公寓里。某天她听到了楼上传来了神秘的敲击声，而楼上的人却称没有听到任何声音。伴随着敲击声的次数越来越多，莫莉越发感觉到是有人在求救，但周围的人却认为她又发病了，莫莉也渐渐地歇斯底里了。这一切究竟是她的幻觉还是真实发生的呢？

　　Vera and André are a couple who get the chance to pitch their business at a prestigious competition. Before the competition, Vera tries hypnotherapy to quit smoking, with an unexpected side effect: she loses all social inhibitions. André has a hard time dealing with this. When it risks ruining his career, he’s torn between accepting her new personality and taking drastic measures to make her stop.