Inviting an acquaintance's wife, met through pick-up in the city, to a one-night hot spring trip. Despite valuing family, the overflowing sexual desire leaves the wife unable to refuse the invitation. Lying about going on a trip with friends, she gets into the man's car. On the surface, a virtuous wife secretly yearns for the madness of a man's thrust, experiencing the ultimate pleasure. The voices of delight from the wives echo through the air!!
