Head-banging -- 1980s style -- makes a comeback with Mark Wahlberg as a lead singer wanna-be who gets to live his wildest dream. In a dizzying turn of events, Chris (Wahlberg) is whisked from anonymity to being frontman for Steel Dragon, the enormously popular metal band he worships. Accompanied on tour by his girlfriend, Emily (Jennifer Aniston), Chris soon discovers life in the fast lane is not all it's cracked up to be.