After a freak accident, a disturbed priest is transformed into a mutated killing machine on a mission to wipe out the godless fans of heavy metal music.

During the weekend of Thanksgiving, aliens put their plans to take over the Earth in motion. Two friends, Mike and Jesse, appear to be the only thing to stand it the way (if it wasn't for the fact they are somewhat clueless to the invasion.) But with a little help from an over the top grump they may just have what it takes to get a clue and fight back.