The Hex Girls come to Crystal Cove and plan to give the gang a concert. But things go awry when The Phantom, an evil specter, suddenly appears with the intention of permanently taking The Hex Girls out of the music business. Fred and the gang offer their services to capture the Phantom, after he almost injured Thorn. Daphne switches places with her and while singing "Earth, Wind, Fire, and Air", Daphne is abducted by the Phantom, and the traps that Fred laid out for the Phantom failed. With Daphne not being there, Fred finally realizes that he has feelings for her. Unknowingly though, Fred wishes he didn't have these feelings for Daphne, while a bound and gagged Daphne listens to these confessions. After hearing this Daphne, heartbroken, joins the Hex Girls, calling herself Crush. At the same time, Scooby Doo and Shaggy are having a huge fight because Shaggy decided to go to the prom with Velma, instead of watching the Vincent Van Ghoul movie marathon with him. Scooby makes a friend out of a ventriloquist dummy named Harry, which upsets Shaggy. At the end it is revealed that the managers former singer, Fantzee Pantz, wanted revenge against the Hex Girls for putting him out of business. Fred reveals his true feelings to Daphne and they become a couple. Shaggy and Scooby Doo also make up, but a final shot of the episode shows Velma not approving, possibly showing signs of jealously toward Scooby.