 After a final spectacular failure involving a superstrong vacuum cleaner and a dog trapped inside it, Barbara's identity as an heiress is revealed.Disappointed by the Tuttles' deception, Phiffier breaks off the engagement and quits, returning to his previous job as dog walker.In this way he finally proves his worth to Mrs. Tuttle, and after she, John and Barbara temporarily join the dog-walking service to deliver their apologies to Phiffier, he and the Tuttles reconcile.