A half-shark, half-Sasquatch monster terrorizes Los Angeles.

Something terrifying has returned to the tiny village of Salem’s Bluff. It’s a week before Thanksgiving, but this time, it’s the humans who are being carved up. Vicki Stanton, a professor of New England folklore, believes the culprit is none other than the dreaded "Gobblefoot"—a mythical creature, half turkey, half Bigfoot, that stalked these very forests 200 years ago. Will the residents of Salem’s Bluff survive to enjoy their pumpkin pie, or will they all fall prey to the monstrous Gobblefoot?

When Penny’s aunt—a legendary aerobics instructor from the neon-lit, spandex-clad 80s—suddenly passes away under bizarre circumstances, Penny and her friends decide to clean out her retro home. But between the leg warmers and workout tapes, they uncover a cursed article of sportswear that brings an ancient evil to life. As the demon starts possessing Penny, her friends find themselves in a high-energy battle that demands exercise and EXORCISM!