The graduating class of the local high school is going on a luxury cruise with Jason Voorhees as a stowaway. The heroine Rennie Wickham believes she was almost drowned by Jason as a child. Jason eventually sinks the boat and kills many of the students on it, but many of them escape to Manhattan. A long battle with Jason ensues until Jason is washed away in the New York sewers by a midnight flooding of toxic waste.
The Big Apple's in big trouble, as indestructible psycho-fiend Jason Vorhees hits the road to New York City. After a shocking return from beyond the grave, the diabolical Jason ships out abroad a teen-filled "love boat" bound for New York, which he soon transforms into the ultimate voyage of the damned. Then one of his terrified victims escapes into the nightmarish maze of Manhattan's subways and sewers, only to confront Jason one final time.
