Tae-gyoo secretly admires Eun-jae, the beautiful team leader in the same office, but he likes Eun-jae only in his heart because he is already in a relationship with Hye-yeong as a live-in couple. Tae-gyoo who was working with Eun-jae through video chat while working from home, is surprised to see Eun-jae, a computer illiterate, masturbate by calling his name while turning on video chat. The next day, Tae-gyoo secretly peeks at the scene where Eun-jae is dating her husband through a video chat screen, and is angry to learn that her girlfriend Hye-yeong cheated on Eun-jae's husband.