Margaret, who has certain mental disabilities, struggles when her husband, Jake, is diagnosed with schizophrenia and the authorities wish to take her children away from her. She has to prove in a court of law that she is capable of taking care of her family.
Siblings Wednesday and Pugsley Addams will stop at nothing to get rid of Pubert, the new baby boy adored by parents Gomez and Morticia. Things go from bad to worse when the new "black widow" nanny, Debbie Jellinsky, launches her plan to add Fester to her collection of dead husbands.