Rosa Puentes (Carla Hernandez) and Eva Sotomayor (Thali Garcia) are childhood friends who grew up together at a village boarding school. Eva was sent there as a child by her grandmother who despised her and Rosa was sent there as a baby with only a letter and some diamonds, one pink, to cover her educational expenses. When Eva is deceived and becomes becomes pregnant by man from the city, who calls himself Adam, actually Jose Ignacio Altamirano (Mauricio Ochmann), Rosa swears revenge against him and when the child is born, the two make a pact to both raise him as their son.When Eva's grandfather Eduardo Sotomayor, the only family member who ever cared about her, dies of a heart attack, she is told to come to the city for the reading of his will and asks Rosa to accompany her. On their way, they are involved in a fatal auto crash with Rosa as the only survivor. Rosa eventually makes it to the city but injured.