Saddled up with a trailer full of merch, Charlie goes on tour across the Midwest with once-popular metal band Doxxxology, a motley crew of has-been rockers who believe they can return to their glory days – all they need is a new hit song to catapult them to fame. But when a member of the band dies in a freak accident, Charlie can’t help but wonder if one of them is willing to kill to get back into the limelight.