María Eugenia Alonso is a woman who returns from France to Venezuela after learning of the death of her father. Although she has character and an advanced mentality, she discovers that her father left her inheritance in ruin, and she is forced to depend on her uncle and aunt Antonia Aristiguieta who despises her niece for her beauty and ideas. While adapting to her new way of life, she meets Gabriel Olmedo, a recently graduated doctor, passionate and persevering with whom she shares her revolutionary ideas. María Eugenia is a strong advocate for women's rights and gender equality. However, his aunt introduces him to César Leal, a wealthy, very macho entrepreneur who is willing to conquer her no matter what happens, thus putting her love for Gabriel in jeopardy.