Adrea Velarde is a young married woman who cheats on her husband, she is traveling in a tourist place with Eduardo, a young gigolo and rake. Visiting a casino and after dinner, Andrea goes to touch up her makeup in the restroom, also feeling bad about something she ate, then suddenly her face is reflected in the mirror, but the image is not hers, but of another woman, surprised she discover Victoria the humble girl in charge of the vanity, also surprised by the resemblance to the rich and sophisticated woman.
Andrea conceives an idea to keep enjoying her freedom, offering Victoria money to impersonate her since they are identical and no one will notice the change. Go to the house where she lives with her husband and spend some time enjoying a life of luxuries, while Andrea travels with her lover. Horrified Victoria refuses, she tells Andrea she could not be with an unknown man. Andrea laughs saying there is no need for marital life that she can deceive her husband saying she is sick and can not have sex, that he is very understanding and won't force her.
Andrea dresses and does Victoria's hair and makes her appear before Eduardo, who does not notice that he is before another woman. That tells Andrea that her plan will succeed. She tells Victoria that she lives in a mansion with her husband Carlos Valentin, the two small children of his first marriage, his mother Doña Amanda and his siblings, Luis Felipe and Genoveva. To force Victoria's hand, Andrea accuses Victoria of stealing her diamond bracelet. With no way out Victoria agrees to Andrea's plan and goes to her home. There she starts to unravel the mess that Andrea has left behind. Victoria will help the family and the family business. Andrea will keep on been the selfish, perverted creature she has always been.