Frank Drebin is persuaded out of retirement to go undercover in a state prison. There he has to find out what top terrorist, Rocco, has planned for when he escapes. Adding to his problems, Frank's wife, Jane, is desperate for a baby.
Eleven-year-old North has had it with his parents. They are always busy with their careers and don't give North the attention he needs, so he files a lawsuit against them. The judge rules that North should either find new parents or return to his own parents within two months. Thus North starts off on a journey around the world to find parents that really care about him.