Ben Healy (John Ritter) and his social climbing wife Flo adopt Junior a fun-loving seven year old. But they soon discover he's a little monster as he turns a camping trip, a birthday party and even a baseball game into comic nightmares. But is he really just a little angel trying to get out? Find out in this hilarious satire on modern-day family life.\
When a millionaire wheeler-dealer enters a business contract with a Hollywood hooker Vivian Ward, he loses his heart in the bargain.
Junior and his father, Ben, move from Cold River to Mortville. Junior becomes threatened by Ben's desire to date again and find a new mother for Junior, and sabotages each of his dates.