With gags and ghouls galore, Gomez (Raul Julia) and Morticia (Anjelica Huston) welcome a new addition to the Addams household -- Pubert, their soft, cuddly, mustachioed baby boy. As Fester (Christopher Lloyd) falls hard for the new nanny, Debbie Jilinksy (Joan Cusack), Wednesday (Christina Ricci) and Pugsley (Jimmy Workman) discover she's a black-widow murderess who plans to add Fester to her collection of dead husbands.

The family's future grows even bleaker when the no-good nanny marries Fester and has the kids shipped off to summer camp. But Wednesday still has a Thing or two up her sleeve...