The daughter-in-law lives with her father-in-law because her husband is often away on business overseas. One day, her father-in-law confesses to his friend, Tokuda, that he can't help but love his daughter-in-law. Hearing this, Tokuda devises various schemes to approach Yukari. Yukari is also sexually frustrated, so she falls for the old men's schemes and is at their mercy, giving herself over to the pleasure.