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.

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 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.