"El Marginal" is an Argentine television series that premiered in 2016. The show follows the story of a former police officer who goes undercover in a dangerous prison to infiltrate a criminal organization. It explores themes of corruption, violence, and survival within the harsh realities of the prison system. The series has received critical acclaim for its gripping narrative and strong performances, particularly from its lead actors. It has gained a significant following in Argentina and internationally, contributing to discussions about crime and justice in contemporary society. The show's success has led to multiple seasons and adaptations.