El Marginal is a gripping Argentine crime drama series that premiered in 2016. The show is set in a maximum-security prison called San Onofre, where the main character, Miguel Palacios, goes undercover as an inmate to gather information about a kidnapped judge's whereabouts. As Miguel navigates the dangerous world inside the prison, he uncovers a web of corruption, violence, and power struggles. El Marginal is known for its intense and gritty storytelling, realistic portrayal of prison life, and complex characters. The series has received critical acclaim for its compelling narrative and outstanding performances. It has also gained international recognition and has been praised for its accurate depiction of social issues in Argentina.