Adaptación cinematográfica del musical homónimo de Broadway. Los Ángeles, 1987. Un aspirante a roquero y una chica que trabajan en el mismo club se enamoran y tratan de impedir que el local caiga en manos de unos empresarios que quieren demolerlo.
Traumatized and suffering from amnesia after witnessing a terrible accident, a man who calls himself P.J. is admitted to a hospital, where psychiatrist Alan Shearson tries to get him on the path to recovery. But Dr. Shearson's boss wants to hand over the patient to the state mental ward, and the man's bitter ex-girlfriend is reluctant to help.