Denny and Jeremy love Heavy Metal and old school vinyl records, especially those rumored to have Subliminal Backwards Messages. When they find a copy of Sealed Fayte's infamous, banned and out-of-print debut album, they can't get it on the turntable fast enough - and that's when the s--t hits the fan leaving only them and Denny's sister, Hallie, to figure out how to save the world from the terror unleashed on 180gram heavy vinyl.