The Mastersons, a wealthy Bostonian family, are thrown into turmoil with the arrival of their free-spirited cousin Anna, who prefers the name Oceana. Having spent most of her life on a tropical island, Oceana's unconventional views on dress, romance, and entertainment clash dramatically with her conservative relatives. As tensions rise, especially when she attracts the attention of a married man, the story explores themes of patience, tolerance, and the conflict between tradition and individuality. Upton Sinclair's "Naturewoman" remains relevant today as it challenges societal norms and highlights the struggle for personal freedom, making it a timeless reflection on the complexities of family dynamics and cultural differences.