AS A CHILD, JENNY'S MOTHER WAS VIOLENTLY STABBED TO DEATH. NOW, THINKING PERHAPS SHE MURDERED HER OWN MOTHER & REPRESSED THE MEMORY, SHE RETURNS TO THE DILAPIDATED ASYLUM, THE SITE OF HER MOTHER'S MURDER, ALONG WITH SEVERAL PAST INMATES. ONE OF THEM IS THE KILLER ... BUT WHICH ONE?