The Green Ghoul must be apprehended before he becomes unstoppable. This episode guest stars and continues from Part One with The Thundermans.

Taylor accidentally hits Meadow in the head while using Madame LaBeuf's staff. When Louie tries to scare off Meadow while earn his ghost scouting badges. Meanwhile, Frankie tries to help Miles cope with Mirabelle leaving for boarding school.

Frankie's new keyboard is destroyed in the middle of the night, leaving her to become a sleuth in determining who the culprit behind the act could be.