Shawn is the lead guitarist and the backup vocalist of the band WashOut that he started as a freshman with his friends Steve (bass) and Adam (drums) and his girlfriend Stephanie as the lead vocalist. But before their senior year when their band is finally eligable to participate in Battle of the Bands and hopefully get a record deal, Shawn discovers Stephanie cheating on him at one of WashOut's shows. Heartbroken and without his lead singer, Shawn is lost. But then he meets Cassie, a killer Alto singer with a passion for music. Can Shawn recruit Cassie and make it big? Or will the knife his ex left in his heart stop him from letting Cassie in?