Marinette is entrusted with the design of the cover for Jagged Stone's new album. But she doesn't dare follow her intuition and Jagged rejects her design. Marinette decides to do it again, but this time, her way. But in the meantime, Jagged has been akumatized!
When Jagged Stones merchandise is number 2 in sales he asks Marinette to design the new cover for his album in order to avoid doing a duet with XY. But when he watched the news, he saw XY mock him on screen. Screaming for revenge Jagged is influenced by Hawk Moth and turns into Guitar Villain.