A picturesque family vacation to the Ozarks goes sideways when a group of bull sharks show up just in time for the big fireworks festival that the town holds every year.

Trying to survive the family Christmas, Cody makes a wish to be alone, which ends up backfiring when a shark manifests and kills his entire family.

A perfect getaway weekend turns into a nightmare for four friends who find themselves fighting for their lives against an experimental shark. In order to survive they must fight sharks, zombies, and shark zombies.