April's Aunt Agatha (Aggie) Marbles, a woman crime solver not unlike Agatha Christie's Miss Marples, pays her a visit at Channel Six News and suggests that she would like to meet the Turtles. Meanwhile, Michaelengelo and Leonardo encounter two crooks, Bruce and Rodney, who are stealing kimonos from all over town -- including Master Splinter's favorite kimono which had been sent out to the Quick Kimono Cleaners. The Turtles team up with Aunt Aggie to solve this mysterious caper and to retrieve Master Splinter's kimono.
April and Vernon, following a bogus tip, were kidnapped by the Big Boss, Don Tortelli, who is the mastermind behind the theft of the kimonos. Don Tortelli thinks that April knows something about the stolen kimonos and tortures her and Vernon with a feather in order to make them talk.
Meanwhile, having had little success finding the crooks, Aunt Aggie concocts a scheme to bring the crooks to them. Donatello dresses up like the infamous Cal Worthington of Southern Caliifornia Auto dealership fame and makes a bogus commercial advertising himself a "Kimono Kal" owner of the famous "House of Used Kimonos." Don Tortelli sends Rodney and Bruce to steal the kimonos, but what they end up stealing, of course, is a crate of Turtles who are delivered to Don Tortelli's penthouse.