Plot

Mark struggles with drug addiction following the war. An Alien, that only Mark can see, manipulates his will and forces him to commit acts that he cannot recall.

Mark struggles with drug addiction following the war. An Alien that only Mark can see, manipulates his will, forcing him to commit acts that he cannot recall. As his mind spirals out of control, his closest friends seek to have him committed. But Mark will do anything to stop them, and so will the Alien...—Alien Inhabitant

Mark mistakenly imagines that his release from a mental hospital represents a fresh start. He soon discovers, instead, that his struggles with schizophrenia are about to get much, much worse. As his mind spirals out of control, Mark suspects his sexy roommate and his best friend of conspiring to have him re-committed, and begins to insist that his condition is a result of an implant that puts him in communication with a sinister extraterrestrial race.