A beautiful young daughter-in-law accidentally applies wind oil essence causing burning pain and shyly seeks help from her father-in-law. Pretending to be an old doctor, he progresses from massage and examination to using his body for treatment. The daughter-in-law repeatedly struggles between shame and pleasure but cannot resist sinking into it. During this, the father-in-law experiences intense inner conflict while secretly making advances on his sleeping mother-in-law.
