DeepintheNorthernCaliforniawoods,intheheartofthenotoriousEmeraldTriangle,liesaremotecabin.Theresidentsstruggletofightofftherepeatedattacksandabductionsbymysteriouscreaturesthathaveplaguedthemforyears.Whenalocalpotfarmeriscaughtupwithawaywardgroupofcampersthesituationquicklyescalatesintototalcarnage.