Lars Ulrich

Trip, a young roadie for Metallica, is sent on an urgent mission during the band's show. But what seems like a simple assignment turns into a surreal adventure.

At 14, best friends Robb Reiner and Lips made a pact to rock together forever. Their band, Anvil, hailed as the "demi-gods of Canadian metal" influenced a musical generation that includes Metallica, Slayer, and Anthrax. Following a calamitous European tour, Lips and Robb, now in their fifties, set off to record their 13th album in one last attempt to fulfill their boyhood dreams.

After bassist Jason Newsted quits the band in 2001, heavy metal superstars Metallica realize that they need an intervention. In this revealing documentary, filmmakers follow the three rock stars as they hire a group therapist and grapple with 20 years of repressed anger and aggression. Between searching for a replacement bass player, creating a new album and confronting their personal demons, the band learns to open up in ways they never thought possible.