Cat becomes superhero Cat Crusader again, but a jealous Gherkin frames her into looking like a bad cat rather than a hero. The gang has a plan: Mouse will go undercover as a super-villain and restore Cat's good name and confidence. What could possibly go wrong?

Girl and Cheese choose Cat to DJ the family's upcoming party. However, Boy, Dog and Mouse think Cat will become the focus of the party that's supposed to be for all of them.