Harry is unable to hold a job due to his mental illness and lives in an abandoned Hollywood hotel haunted by friendly ghosts of the long dead staff. The lines of his mental illness and reality become extremely blurred as some of his strangest events are indeed witnessed by others. As Harry becomes more frustrated by not being able to distinguish fact from delusion he turns to violence.

A young inductee into the military is given the task of looking after some chimpanzees used in the mysterious 'Project X'. Getting to know the chimps fairly well, he begins to suspect there is more to the secret project than he is being told.