In the Madrid of the s. XVI, Fine, heiress to a great fortune, she is promised to marry Liseo. Laurence, the lover of his sister Nise, for interest in Finea's dowry, try to make her fall in love with words and compliments. The time has come for the presentation of the betrothed, Liseo, disappointed by Finea's reckless and “silly” behavior, he refuses to marry her. Liseo and Laurencio agree, after their confrontation caused by jealousy, court each of them to each of the sisters that interest them most. After this orchestration, behind both sisters' backs, Finea's personality is transformed as a result of her love relationship with Laurencio.. The increased loving and intellectual ingenuity of her sister Finea will generate an outcome and resolution of the aspirations of all the characters like none of them could have expected from her..
