El Marginal is an Argentine crime drama series that takes place in a maximum-security prison. The story follows the lives of the inmates and the prison staff, highlighting the corruption, violence, and power struggles within the walls. With its gritty and intense storyline, El Marginal has gained international acclaim for its realistic portrayal of the Argentine prison system. The series explores themes of redemption, loyalty, and survival, making it a must-watch for fans of crime dramas.