At the end of the 19th century, a boy appears in an Andean village. Nicanor, the village priest, discovers that the child’s blood causes the crops to bear fruit magically, but for the boy to live, he must be fed human blood.
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.