El Marginal is an Argentine crime drama television series. The show follows the story of Miguel Dimarco, a former police officer who goes undercover in a dangerous prison to investigate the kidnapping of a judge's daughter. As he navigates the treacherous world of inmates and corrupt guards, Miguel must confront his own demons and make difficult choices to survive. With its gritty atmosphere and intense performances, El Marginal has gained critical acclaim for its realistic portrayal of the Argentine prison system and its complex characters.