the daughter of Saúl Higareda, the man Elena would have married before meeting Hierro. Saul, although years later he married another woman, could never forget Elena and, now divorced, he has returned to Mexico. With an important position in national education, he has called on Elena to work with him because he is determined to recover her, no matter what he has to do. This even includes facing the fact that Wicho has fallen like a fool for his daughter, Renata, while, at the same time, she has fallen in love with the blind Sebastian, Elena's other son. Mimiche, still wanting a wealthy family, has never been reconciled to her daughter Elena's marrying "a salchichonero", and supports and encourages an association between Saul and Elena. But when it becomes difficult, she decides that her other daughter (Paty) should win the public official as the son-in-law she wants. This complicates things and causes great pain to Angelito, who is in love with Paty, who sees him as her soul mate since neither of them has ever worked and lived like others. Paty has her feminine charms, her maiden name and her lineage, while Angelito is a particularly adept rogue who sets traps, creates intrigues and deceits that yield immediate results. Soon the world is upside down. Saul, with his emergence in the lives of Elena's three children in addition to the other problem, causes Hierro to defend his marriage, because everybody knows very well that the Hierros defend what they love. The problem for the other two Hierro men, is facing their own blood, Hierro to Hierro, for Renata's love. To this fun triangle add Rita, Sebastian's assistant, who tries to break him up with Renata and win the love of Professor Sebastian, whom she in turn loves obsessively. The fate of the love triangles, young and adult, takes unexpected turns in the reactions and actions of each of the Hierros, ending in a surprise that will leave important lessons to every member of this family which really does have an "Iron Soul." Surprisingly, a story is added after the death of Sebastian Hierro, after he has proposed marriage to Renata; Rita manages to attack the driver where the couple traveled and leave him unconscious. Sebastian and Renata get into a limousine without realizing that the driver is Rita. Renata tells Sebastian that she feels dizzy, she faints, and Sebastian is