The one thing celebrity Trish Barrymore and her no account accountant husband, Mort, can agree on in their bitter divorce is shared cat custody. But when Mort is found brained by a mahogany cat tower, and Justine, their pedigreed Chartreux show cat, goes missing, Trish calls on Helen and Phil. Despite a ransom note from the catnapper, Trish is still the prime murder suspect in the eyes of the police. As they await the post Mortem, it's up to Helen and Phil to find the feline filcher and let the cat out of the bag. Discovering that Mort had some shady dealings within cat show circles, Helen goes undercover as an assistant for a woman who shows prizewinning Persians. But Phil is not buying Trish's cat that swallowed a canary act, he thinks she might be staging the whole catnapping. As Helen and Phil get deeper into a high pressure world of primping, posing, and purring to collar a killer, they get caught up in a cat and mouse game where the stakes are literally life and death...