After being humiliated and mistreated, Ana Soler discovers who her father is and the pact he has made with the devil, and agrees with him to become a beautiful woman named Mariana Ferrer to recover her son and take revenge on those who destroyed her life.
Margarita Vera is an architect who lives with Adrián Zea, a friendly but unpredictable man. But Antonio Ríos comes into his life, a man with the same eyes, the same way of walking and above all the same genes.