One night at a secluded farmhouse deep in the Northern California woods, a small group of hardened young bikers and their girlfriends are tormented when one of the girls becomes savagely possessed and a gang of "Rockabillies" seemingly from the 1950's descends upon them to collect what is growing inside her.

One night at a secluded farmhouse deep in the Northern California woods, a small group of hardened young bikers and their girlfriends are tormented when one of the girls becomes savagely possessed and a gang of "Rockabillies" seemingly from the 1950's descends upon them to collect what is growing inside her.