Two married women embark on a two-day, one-night trip to a secluded hot spring resort in Gunma to indulge in mutual infidelity. From morning till night, they repeatedly enjoy body washing each other in outdoor baths and bareback sex, experiencing nonstop pleasure. Yukiari, 25, is a newlywed in her first year of marriage. She says her husband no longer pays attention to her, leaving her emotionally down, which led her to join this trip. Welcome to a journey that fully brings out the allure of married women.