After nearly drowning in a lake, a young girl develops an abnormal fear of water and is plagued by visions of a mysterious dark figure. A year later, in an attempt to cure her phobia and visions, her skeptical friends stage a séance and subject her to a bathtub experiment, unwittingly summoning the dark figure into the world.

After losing his Kate, his high school sweetheart, in a horrific house fire Josh Higgins' life tumbles into a depressing mix of insomnia and poor choices. After taking seemingly harmless sleeping pill, Josh is thrusted from his current banal existence to one that he had lost years earlier. As the walls of his own psychosis slowly start to close in around him, Josh must race to save himself, Kate and the parallel life that he vows can never again become...lost.