Bernice travels to Washington to assume her new role as Congresswoman. Duckman spots a woman who happens to look like Beatrice, but gets hit by a bus. It turns out that she is Beatrice and Bernice's long lost triplet. Bev realizes the only way to keep Duckman alive is to pretend to be Beatrice.

Duckman and Cornfed become plumbers and their first job takes them to a society gathering in a mansion. While not doing his job, Duckman discovers that the cursed "Sharon Stone" is missing; he and Cornfed try to recover the diamond before the hostess discovers the theft. After the diamond is revealed to be missing, its curse comes into play and traps them in the mansion.