Singer-turned-boxer Andy 'Kid' Clave signs a contract with a shady promoter Joaquin Vargas. But Clave turns against Vargas when the promoter's thugs kill Clave's girlfriend when he thinks about backing out of the contract. While seeking a way to get revenge against Vargas, Clave learns that he has a blood clot in his head. But nothing will deter him from getting his revenge and making a shot at the title.

Inspired by the exploits of New York's Guardian Angels, which began as a band of streetwise young people who formed an anti-crime subway patrol and went on to gain a national reputation and units in major cities around the country, this film unites three New York City youths as leaders of a citizens' patrol tackling gangs terrorizing merchants and local citizens.

The life of boxer Jake LaMotta, whose violence and temper that led him to the top in the ring destroyed his life outside of it.