It is set in a women’s prison and follows two of “El Marginal’s” most talked-about characters in the original: the unscrupulous Gladys “La Borges” Guerra (played by Ana Garibaldi) and the cynical Sergio Antín (Gerardo Romano).It is set in a women’s prison and follows two of “El Marginal’s” most talked-about characters in the original: the unscrupulous Gladys “La Borges” Guerra (played by Ana Garibaldi) and the cynical Sergio Antín (Gerardo Romano).