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.

Martin Brundle, born of the human/fly, is adopted by his father’s place of employment (Bartok Inc.) while the employees simply wait for his mutant chromosomes to come out of their dormant state.