Watch TV Series El Marginal (Spanish) online for free. Miguel, a former Argentinian cop, is sent by a judge to get into a prison in order to find the kidnapper of his daughter as a result of a favor. Once in there, he changes his name to Pastor Peña, and tries to survive by gaining the confidence of the recluses. Meanwhile, the Superintendent of the Prison, a social psychologist and one of the most important recluses, who controls the prison from inside are part of this big mafia structure.