A platonic pair of former best friends approaching midlife reconnect after a long rift. The duo’s friendship becomes more consuming—and destabilizes their lives in a hilarious way.

Pinnacle records has the perfect plan to get their sinking company back on track: a comeback concert in LA featuring Aldous Snow, a fading rockstar who has dropped off the radar in recent years. Record company intern Aaron Green is faced with the monumental task of bringing his idol, out of control rock star Aldous Snow, back to LA for his comeback show.

When Sarah Marshall dumps aspiring musician Peter Bretter for rock star Aldous Snow, Peter's world comes crashing down. His best friend suggests that Peter should get away from everything and to fly off to Hawaii to escape all his problems. After arriving in Hawaii and meeting the beautiful Rachel Jansen, Peter is shocked to see not only Aldous Snow in Hawaii, but also Sarah Marshall.