In 1931 in Paris, France, Anaïs Nin is in a stable relationship with her husband Hugo, but longs for more out of life. When Nin first meets Henry Miller, he is working on his first novel. Nin is drawn to Miller and his wife June, as well as their bohemian lifestyle. Nin becomes involved in the couple's tormented relationship, having an affair with Miller and also pursuing June. Ultimately, Nin helps Miller to publish his novel, Tropic of Cancer, but catalyzes the Millers' separation, while she returns to Hugo.