 Luis Mario instinctively kisses Rosaura and Rosaura is smitten.Eduarda, Luis Mario's sister, is determined to see Luis Mario married to Eva Granados, a beautiful but impulsive and demanding rich girl that will guarantee that they will not be financially ruined; but Luis Mario, in order to go against his sister, marries Rosaura, who is deeply in love him although he doesn't share the same feelings.When they get married Eva kisses him on the mouth, Rosaura reacts by scratching him on the face, thus getting the name of "Wild Cat".