Sayuri (40) is in her third year of marriage. Her relationship with her husband has lost the excitement and intimacy they once shared as lovers, and both the emotional spark and sex life have faded. Still, she prides herself on maintaining a slender figure, believing she should always be ready to meet her husband's desires. Burdened by loneliness and the emptiness of endlessly waiting for his attention, she finally leaves the house on a day he's away. The married woman, exhilarated by this long-overdue trip, departs Tokyo under rainy skies that soon clear up as her journey continues—mirroring the emotional uplift within her heart.