One year after the events of Halloween 4: The Return of Michael Myers (1988), the Shape returns to Haddonfield once again in an attempt to kill his now-mute niece.
Jason Voorhees is accidentally awakened from his watery grave and ends up stalking a ship full of graduating high-school students headed to Manhattan, New York.
The almost-human son of "Brundlefly" searches for a cure to his mutated genes while being monitored by a nefarious corporation that wishes to continue his father's experiments.
After escaping the insane asylum in which he was incarcerated, Jerry Blake (Terry O'Quinn) impersonates a marriage counselor and manages to win over a patient (Meg Foster) and her young son (Jonathan Brandis).