Four insomniac med school students are lured into a neuroscience experiment that spirals out of control and must find a way out before it's too late.

厌倦了逼仄脏乱的小公寓，正值青春年少的美丽女孩冰通过网络找到一所宽敞阔气且租金极为便宜的大房子，事不宜迟，她连忙致电屋主预约时间，并叫上同公寓好友妮娜随她一同看房。虽然妮娜对该房第一印象不佳，却无法改变冰的决定。不久之后…