When the 1989 "one-hit-wonder" glam-metal band "Sonic Grave" embark on a trip to Coachella in hopes of a comeback, their peyote trip pit stop in Joshua Tree incites an "unworldly" viscous attack, and they must "rock" themselves out of harms way.

Talented chipmunks Alvin, Simon and Theodore become singing sensations when they meet struggling songwriter Dave Seville, who becomes their manager.