Rocky Nelson is a New York cop, who after making a major bust and selling the rights of his story to Hollywood decides to try his luck out as an actor. However, when he gets there, the directors think that he is too short to be an actor. He is then approach by someone who offers him a job at a Hollywood security agency, cause he would fit in there being an ex-cop and while working there he could come in contact with some Hollywood heavy-weights who could give him the break he needs. And at the same he gets to live in Dean Martin's guest-house.
Após a luta contra Apollo Creed, Rocky promete à sua esposa largar os ringues. Mas os fãs de boxe insistem em uma revanche entre os dois pugilistas. Sem dinheiro, Rocky se vê obrigado a aceitar o desafio e recebe a benção da esposa para lutar. Agora o lutador deve se preparar para o combate do século e decide treinar intensamente, sonhando apenas em terminar a luta sem ser nocauteado pelo campeão.
