With only his heart free, the old father indulges in lewd fantasies about his daughter-in-law. His lust knows no bounds, and he eventually reaches out to touch her underwear. However, unluckily, he gets caught by his daughter-in-law in the act and becomes disheartened. Though feeling embarrassed, perhaps influenced by the old man's lust, the daughter-in-law herself feels a strange arousal. Then one day, his once-healthy son collapses and falls ill. The father-in-law and daughter-in-law... Seizing this rare opportunity, the two end up entwined with each other. (From Episode 1) Feature
