Yumi (Minori Hatsune) was happily married to her husband Yoshiho, whom she met at her workplace. To appreciate Yumi's daily efforts, Yoshiho plans a hot spring trip. At the inn they visit, they encounter Shinji, the son of the president of the company where they both used to work. Using his power, Shinji threatens and makes physical demands on Yumi. Out of love for her husband, Yumi decides to submit herself to Shinji... Presented under the supervision of Kenzo Nagira, this is a story of a married woman taken by another man during a hot spring trip.