The romance between Amalia Sáenz de Olabarrieta –a widow living in Buenos Aires– and the young Unitarian Eduardo Belgrano. Based on the novel by José Mármol.
In an all-girls boarding school, one of the students resists the will of her uncles to marry her off because she does not know her future husband. Which is why she pretends to be a prude for whom marriage is a dirty word.