A group of ex-married women with their own reasons work as waitresses in a hot spring town in the mountains of the Kanto region. Despite being in the prime of their lives as women in their 30s and 40s, these frustrated mature women live in the countryside and have no opportunities to meet new people, but one day, a young male customer appears in front of them. The waitresses are excited because they usually only deal with older group customers. The flames of lust start to burn, and when everyone else is asleep at night, they sneak into the man's room using a spare key and rape the young man...