A critique of marriage of convenience, Senhora clarifies universal truths as one-time lovers reconcile as husband and wife. The poor orphan Aurélia is devastated when her true love, Fernando, breaks their engagement for the financial rewards of a marriage of convenience to another. But Aurélia unexpectedly inherits a fortune and plans her revenge. Winning marriage to Fernando with a large dowery, she stuns her lover on their wedding night by imposing a marriage of convenience until the dowery is returned. The marriage descends into one of hate more than convenience, until both recognize the errors of their ways.