Campeón Gabacho tells the story of Liborio, an endearing and mischievous young migrant whose only talent is taking punches. He crosses the Rio Grande to escape a harsh reality in Mexico, looking for a better life in the United States, and settles in a Latino barrio in New York City. Through his fists, his love, and his words, he faces cultural walls and prejudices that threaten his hopes, and becomes a hero in an unknown land.