Clara (Gloria Marin) is a good woman and victim of Juan Manuel (Victor Junco), her cruel and perverse husband who takes advantage of her blindness, and tries to take her fortune. The arrival of Carlos (Ramon Gay), Juan Man... more »uel's nephew brings happiness to the house. Meanwhile Soledad (Silvia Pinal), Clara's goddaughter, sees Carlos and falls in love with him, without knowing that his heart belongs to Julia (Elda Peralta), his uncle's nurse. Carlos accidentally discovers that Julia and Juan Manuel are lovers. Angry, he travels to the United States to study medicine, with the promise of returning to help his aunt Clara and address his uncle's infidelity. Many years have passed and Carlos returns to expose his uncle, but Juan Manuel's perverse desire for Soledad reveals his evil nature and it will be the first in a series of painful incidents that profoundly affect Clara, Soledad, and Carlos.« less