Based on the case of the serial killer Donato Bilancia, who murdered 17 people between 1998 and 2000 in Genova.
Frank Drebin is persuaded out of retirement to go undercover in a state prison. There he is to find out what top terrorist, Rocco, has planned for when he escapes. Frank's wife, Jane, is desperate for a baby.. this adds to Frank's problems. A host of celebrities at the Academy awards ceremony are humiliated by Frank as he blunders his way trying to foil Rocco.