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. 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. Their pursuit leads them through fields of marijuana and into the muddy landscape of Big Wallow, where a group of throat-slitting cult girls grow dope by day and worship a giant killer pig by night.