An erotic film about the relationship between a lonely daughter-in-law and her father-in-law. Mi-ae feels isolated as her husband, Soo-hyeok, seldom comes home. In fact, he meets another woman, Soo-hyeon, through a mountaineering club. Mi-aes loneliness deeply saddens her father-in-law, Chang-seon, so he engages in meaningful conversations with her. However, they realize they can fill each others loneliness. As the father-in-law and daughter-in-laws bond deepens, their feelings for each other grow deeper.