Homicidal maniac Jason returns from the grave to cause more bloody mayhem. Young Tommy may have escaped from Crystal Lake, but he’s still haunted by the gruesome events that happened there. When gory murders start happening at the secluded halfway house for troubled teens where he now lives, it seems like his nightmarish nemesis, Jason, is back for more sadistic slaughters. But as things spiral out of control and the body count rises, Tommy begins to wonder if he’s become the killer he fears most.
Freelance reporter Jennifer and her two friends, Karen and Vicki, accept an invitation for cheap room and board in a large farmhouse offered by a friendly, but shady, museum owner named Ernest Keller since all the motels in and around town are booked for a holiday parade fair Jennifer is covering. But unknown to the women, some unseen “thing” has been living in the basement of the house for over 20 years and is looked after by Keller and his shy sister Virginia, in which the “thing” soon gets out and begins harassing and killing the women one by one in various violent, but seemingly accidental, means.