Rosario Castellanos is an introverted university student who doesn't seem to belong to her time. In the early 1950s in Mexico City, she is fighting to have voice heard in a society run by men. She is about to become one of the biggest female writers in Mexican literature, but her tumultuous love story with Ricardo Guerra will manifest her fragility and contradictions. At the peak of her career and her marriage, she will ignite a discussion that will mark a turning point in her life.