|Willie Colon||Joaquin Vargas|
|Ruben Blades||Andy `'Kid'` Clave|
|Fred Williamson||Jesse Crowder|
|Joe Spinell||The Boss|
Indebted boxer Andy ''Kid'' Clave is forced into a deal with nefarious promoter Joaquin Vargas, who insists on taking half of Andy's winnings after fights as a means of repayment. When Vargas' henchmen threaten all that Andy holds dear, he decides to retaliate, and he finds out about a weakness that Vargas has been hiding. Meanwhile, a private detective, Jesse Crowder, is investigating both Andy and Vargas.