10 years after killing the goalie hockey-masked killer Jason Voorhees, Tommy Jarvis has grown up in various mental hospitals unable to get over the nightmares about Jason's return. When Tommy is sent to a rural halfway house in California for mentally disturbed teenagers, a series of grisly murders begin anew as another hockey-masked killer begins killing off all people at and around the residence. Has Jason returned from the dead to re-start his killing spree? Has Tommy decided to take over the reign of Jason, or has someone else?

The Stone family unites in common cause when their favorite son brings his uptight girlfriend home for the Christmas holiday, with plans of proposing. Overwhelmed by the hostile reception, she begs her sister to join her for emotional support, triggering further complications.