When John takes his San Francisco friends to his deceased uncle's remote ranch to hunt wild pigs, it seems like a typical guys weekend with guns - despite the presence of John's sexy girlfriend Brooks. But as John and his crew trek deeper into the forest, they begin tracking the awful truth about his uncle's demise and the legend of The Ripper -- a murderous three-thousand-pound black boar!

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.

Will is the kid-next-door, but is relentlessly terrorized by school bullies. Then the mysterious Chance eventually convinces Will that they should get a gun and take the bullies out: pull a Columbine.