In 19th century Mexico, Dr. Manuel Fuentes Guerra inherits a fortune of his father, whom never wanted to recognize him as his son. Now turned into a millionaire gentleman, the doctor looks for an appropriate wife. His election falls on Matilde Penalver y Beristain, daughter of an aristocratic family but that has come to less. Manuel, and Matilde's family ignore that she is compromised in secret to a military official by the name of Adolfo Solis. Augusta, the mother of Matilde, has Adolfo put in jail, and Humberto, Matilde's brother, contracts a woman to fake to being Adolfo's in front of Matilde. Now Augusta obligates her daughter to get married to Manuel. Adolfo escapes from jail, but not in time to prevent the wedding. But Matilde discovers the trap that her family had put on her, and suspects that her husband had something to do with it.