sentences:  On the northern side of the Mexico–United States border, Sergei "Polack" Kowalski, a well-groomed, greedy mercenary, attends a circus performance where he recognizes the show's lead rodeo clown as Paco Roman.During the performance, Kowalski reminisces on how he and Paco fought together as revolutionaries against the Mexican Government.Prior to the start of their partnership, Paco, a peon working in a silver mine owned by Elias Garcia, rebels against his boss and humiliates him and his two brothers, including Colonel Alfonso Garcia.