Con artists plan to fleece an eccentric family using an accomplice who claims to be their long-lost uncle.
Gomez Addams and Morticia Addams hire a nanny named Debbie to take care of their newborn son, Pubert, after older siblings Wednesday Addams and Pugsley Addams's failed attempts to murder him. Unbeknownst to them, Debbie is a serial killer who marries rich bachelors and murders them to collect their inheritances.