Tired of the hustle and bustle of the city, these beautiful wives head off on a short trip alone, only to be attacked while asleep, but despite what they say, their private parts get wet. On a refreshing night at a hot spring, the lust forgotten in the busyness of daily life is awakened by the caresses of a man who is a lover, and they go crazy for a cock other than their husband's in an adulterous sex. The spring water overflowing from the woman's body soaks and wets the futon and tatami mats...