In the bustling world of boxing in the 1940s, a talented yet unstable boxer, whose lifelong dream has been to become a champion, climbs the ranks of the sport thanks to his fierce determination and natural talent. Raised in an environment of poverty and violence, his life has been a constant struggle, marked by tumultuous relationships and questionable decisions. With the help of his manager, who sees in him a goldmine, he plunges into the professional circuit. As he racks up victories, his fame begins to grow, but so does the cost of maintaining that glory.
Throughout his rise, the protagonist faces moral dilemmas, including the pressure of betting, corruption, and the internal struggle between the desire for success and the need to stay true to himself. His relationship with his lover, who has her own ambitions, becomes complicated as the boxer's focus becomes increasingly selfish. Trapped in a cycle of obsession with triumph and heartbreak, he finds himself on the verge of collapse. Just when everything seems to be going well, a heartbreaking defeat forces him to confront the harsh realities of his life. In this emotional journey, he will be compelled to reconsider what it truly means to be a champion, facing not only his opponents in the ring but also internal demons that threaten to destroy everything he has built.