Musician Ricky Mathis becomes an overnight sensation thanks to his song "Rock Legend." When his music causes his fans to become obsessive and destructive, Sam, Alex, and Clover are called in to investigate the cause of this fanatical behavior under the guise of a supporting band. While Clover is enchanted by Ricky's music, Sam and Alex investigate the recording studio and discover they are using special glowing CDs that brainwash listeners. They must stop manager Sebastian Saga from using Ricky's music to take over the world. In the subplot, Clover has a crush on schoolmate Damon Reynolds, who plays guitar and hangs out with school diva and rival Mandy.