It’s Halloween, and Pippa can’t wait to go trick-or-treating. But before the festivities get underway, Cloud appears to tell Pippa that, back in Chevalia, a mysterious pumpkin-headed ghost is haunting Stableside Castle! Pippa joins forces with her best friend, Princess Stardust, to figure out if the fabled pumpkin ghost is real . . . or if someone is up to a little bit of Halloween mischief! Can they get to the bottom of this spooky mystery?