Cop and ½ (1993)

Nick McKeena is a tough, fearless, solitary and resentful Florida's cop. After an operation to apprehend drugs, his partner dies during a shooting, and McKeena takes the responsibility of the tragedy. Devon Butler is a little kid who is obsessed for cop-movies, and dreams of becoming a policeman, living the most dangerous adventures. After testifying on a murder practiced by an Italian crime boss, Devon decides to help the police arrest the criminal, with one condition - he is to be a cop for a few days, and solitary Nick ends up being chosen as Devon's partner. Together, the two will have great adventures and they will be hunted by the mafioso, at the same time in that a paternal relationship will be born between both.