A writer who studies the paranormal believes that low frequency tactile sound is the cause for reported ghost sightings in an abandoned subway station. In an attempt to debunk the sightings, she breaks into the station to record evidence.</p>

在海滩打了一天艰苦的排球后，一位父母不在的青少年决定和她的女朋友们开一个睡衣派对。不出所料，他们的男朋友会出现来吓唬他们，但也可以看到一个从海滩来的陌生人潜伏在房子周围。很快，这个团队开始经历自然减员的问题。