Sabrina has blown her allowance, and Salem has maxed out his credit card over the phone, so they decide to enter a cat show to earn the prize money, but soon find themselves wrapped up in a blackmail scheme to force the judge to throw the competition, and, to avoid being caught, Sabrina has to transform herself into a contestant. Meanwhile, Hilda and Zelda seek out a magical perfume that will make Zelda repulsive to their love-sick mailman Dirk, and Hilda gets shrunk as a punishment for taking free samples in the magical "Full Moon" shop.

Sabrina, bored with her life, opens a magical can of worms which instantly transforms Sabrina's life into a dramatic soap opera. However, things don't go exactly as the teen witch originally planned, especially when she gets accused of being a thief.