Catwoman goes ahead with her scheme to steal several Batagonian Cat's Eye opals, but she has trouble finding someone to fence them since such rare stones would be easily spotted. With little recourse left, she decides to turn them in for the reward money. It seems like the perfect job for her acquaintance, Freddy the Fence. But when he notices that the gems are fakes, Catwoman realizes she has been tricked by Batman and vows to get revenge on the Caped Crusader once and for all.

Minerva has been using her "Deepest Secret Extractor," disguised as a piece of equipment at her mineral spa, to discover where her wealthiest customers hide their valuables. With this info in hand, Minerva has been able to pull off a string of robberies with ease. When Batman and Robin's investigation is cut short by the villainess, butler Alfred goes undercover to help foil her criminal operations.