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 become a critically acclaimed series that showcases the dark underbelly of Argentina's criminal justice system.