Armando, a former illegal fighter, runs away after causing the death of his youngest brother Andres. Years later after putting himself back on track, he returns to his family to ask forgiveness, but finds many unexpected changes that will test him, amongst them, his older brother Alejandro, who has become a champion of the ring. Due to different circumstances they are forced to fight in the top boxing tournament "Kimura", where the brothers will face the forces that separated them from the beginning.