A 12-episode, 2-part journey across Japan's secret hot springs, featuring 13 women (landladies, waitresses, female guests) who experience the joy of being women while being violated. Part 1 features 3 episodes: guests from Tokyo sneaking into the room of a fifty-year-old waitress with huge breasts at a remote hot spring inn in Hokkaido, having a night of torment next to her husband, and a tax evading landlady in her sixties being creampied by a guest disguised as a tax official. Part 2 is a 9-episode collection of secret stories of torment where 10 mature female guests staying at secret hot springs across the country are subjected to nighttime orgies.