When the past catches up with you, the only way out is to look inside you... 1987. When the body of a junkie is left outside the New York apartment of Jack Vain, it triggers a response from an event in his past - an experience he endured with his childhood friend John Crane. As the two men reconnect, they become obsessed with their fears and the monster they feel sure has come back to hunt them down again. Convinced they need to track down the threat, they take to the streets, When they become separated, they wonder off into a darkness that's both real and imagined. As they do so, the monster moves in.... Dr Brooke Ashley takes on the case of two men who are being held securely on a psychiatric ward. They are aggressive, violent even, and mute, save for their animalistic grunts. On establishing they are trapped by fear, she sets about finding out what it was from their past that terrifies them - and knows that FBI agent Thomas Thorn and his investigation hold some of the keys. A mind-bending psychological thriller that will leave you treading the same fine line between reality and illusion as in Jack and John's minds.