Hyang-Mi lives with her husband Dong-Hyeok and her 6-year-old daughter Eun-Ju. Since her husband is in Seo Rak Mountain due to his work, Hyang-Mi feels loneliness. Whenever she feels lonely, Hyang-Mi soothes her loneliness watching videos. As weekend comes, she goes to the mountain to meet Dong-Hyeok. However she hears that her husband meets a mute girl called Sun-Nyeo from maidservant