When he decides to tag along with his brother Rodrick’s band, Lèoded Diper, Greg doesn’t realize what he’s getting into. But he soon learns that late nights, unpaid gigs, fighting between band members, and money troubles are all part of the rock ‘n’ roll lifestyle. Can Greg help Lèoded Diper become the legends they think they are? Or will too much time with Rodrick’s band be a Diper Overlode?