Olegario asks Diego to help him conquer a woman. Without knowing that the woman is Paula, Diego helps his stepbrother writing love letters, choosing the flowers, the restaurants and the presents for him. Paula starts falling in love with him and she accepts to get marry to Olegario.
Olegario seeks Diego's assistance in winning the affection of a woman named Paula, who is unaware that she is being pursued by Diego. Diego helps his stepbrother by selecting romantic gestures like flowers, restaurants, and gifts for her.  Paula falls in love with Diego and agrees to marry Olegario.