The film centers on Dr. Marcus, a renowned psychiatrist who has selected 6 severe mentally ill and dangerous patients from the Spring Valley Mental Hospital to interview as part of research for his new book. As Dr. Marcus interviews each patient, one by one the horrors they have committed begin to unfold. However, Dr. Marcus soon learns that there is one patient who ties them all together - Patient Seven. A renowned psychiatrist has selected six mental patients to interview as part of the research for his new book. As he begins his unorthodox methods the question becomes, who really belongs in Spring Valley Mental Hospital? + More