Country girl Rebecca has spent most of her life on a farm in South Dakota, and, when she goes away to college in Los Angeles, Rebecca immediately feels out of place in the daunting urban setting. She is befriended by a savvy party animal named Crawl, who convinces the ambivalent Rebecca to stay in the city. When Thanksgiving break rolls around, Rebecca, no longer an innocent farm girl, invites Crawl back to South Dakota, where he pretends to be her fiancé.

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.