Junior (Michael Oliver) and his dad, Ben Healy (John Ritter), relocate to a town with an over-abundant supply of single women. Junior resorts to his naughty tricks to survive and protect his dad from the clutches of the town's kid-hating millionaire (Laraine Newman). On the way, Junior manages to create havoc at a carnival and sabotage an ill-fated wedding with the help of the town's other pint-size terror, Trixie (Ivyann Schwan).