An ex-Navy seal Niles, his girlfriend Emily and their friends head out on a road trip to New Orleans. The group decides to stop at a roadside convenience store owned by Chopper, who tells them the tale of Lockjaw, a fabled god-like creature who is half-man, half-alligator. As they set-up camp for the night, their faith is put to the test when Lockjaw turns out to be more than just a myth and they realize the locals are hiding a horrifying secret that jeopardizes them all.