A sensual tale set in a quaint hot spring inn, centered around men's carnal desire—the "night crawl." This unique story weaves together mature female guests, young married women, female staff, and a youthful proprietress in an alluring mix. One by one, lone sleeping women find their lower bodies invaded by unknown male guests, leading to mysterious and arousing encounters. Amid the inn's nostalgic atmosphere and human drama, hidden desires awaken in the stillness of night.