In the 1970s, in the vibrant port city of Yokosuka, a young woman named Kayo finds herself caught between the expectations of a traditional society and her desire to explore her own sexuality. As she delves into the world of pleasure and desire, Kayo becomes engulfed in a whirlwind of erotic encounters, crossing paths with a group of enchanting yet dangerous men who operate in the darkness of the night.
Her life takes an unexpected turn when she begins to develop an intense connection with an enigmatic sailor, whose life is marked by danger and rebellion. The relationship between them becomes a mix of unbridled passion and tension, as Kayo grapples with her yearning for freedom and the fear of the consequences of her choices. While trying to discover her own identity, she faces a world that often rejects and objectifies her.
Through a series of liberating yet also devastating experiences, Kayo must learn to confront the reality of her surroundings. With her indomitable spirit, she will challenge the boundaries of her society and, in the process, become a symbol of the struggle for autonomy and self-discovery. In this intense journey, hidden desires and the quest for pleasure intertwine, revealing a provocative and raw portrait of youth in an era of change.