The story begins when Maria Herra, a very hard-working humble young woman and mother of a girl, meets a rich successful man. Both fall in love hopelessly, but he is married to Annie, with whom he has a son, Esteban. He has to decide between Maria and his family, and as always, the love he had felt for Maria wasn't enough for him to leave his family, so he broke her out. But what Eduardo didn't know is that Maria was expecting his son. Maria decides to find Eduardo to tell him the truth, but when she went to his house, Olga the maid, tells her that he is on trip with his wife. She asks the maid to give him a letter, because he needs to know the truth. The maid insists she leave with the promise that she would hand the letter to Eduardo but this letter was never given to Eduardo. This was because Olga thinks that it would ruin her boss's marriage, so she destroys the letter.