Chauncey Wright, a champion bull rider, has been risking his life on the weekly to give his kids the ultimate gift—a jet ski. But when he takes Annie Sue and Tommie on a weekend lake trip for a joy ride on their new toy, they are all forced to confront a stubborn legacy swimming just beneath the surface.

Lonnie, a crop duster pilot, must lead a mismatched group of survivors to escape the deadly zombie horde after an experimental chemical, intended to control the invasive kudzu vine, transforms the citizens of Charleston, MS into zombies.