Flora Tristán flees to Peru for her inheritance, but her uncle leaves her penniless by altering the will. Returning to France, she becomes a writer and advocate for workers' and women's rights. Despite romantic entanglements, she chooses to focus on her work, leaving behind her love life.
It tells the love triangle between Cristina, Javier (her future husband) and Felipe (her ex of a lifetime). After her bachelorette party organized by her best friend Catalina of hers, Cristina discovers that she is pregnant, and she does not know which of the two is her father. In the fourth month of pregnancy, the doctor gives them the results of the paternity test, giving an unexpected twist to the story.