Dr. Hackenstein is a genial but somewhat misguided scientist. He murders the locals for their body parts, but it's not for power or scientific research; he just needs them to put his wife back together.
A bitter ad executive, who has reached his breaking point, finds himself in a mental institution, where his career actually begins to thrive with the help of the hospital's patients.
A group of teenagers in San Francisco discover a nest of homicidal monsters living in a tower of the Golden Gate Bridge, but when they try to tell authorities, no one believes them.