When a lost traveler on Halloween night comes across an isolated rural gas station, she thinks she's found her way home. Unbeknownst to her, the eerie gas station is the residence of a family of degenerate, devilish creatures.
A newly reunited young couple's drive through the Pacific Northwest turns into a nightmare as they are forced to face nature, unsavory locals, and a monstrous creature, known to the Native Americans as Oh-Mah.
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.