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.