Missing Yoon: Attention seeker YouTuber Jang Hada is trying to get popular again. One day, legendary singer Yoon Sinae disappears. So, Hada uses her mother, an imitation singer Yeon Sinae, as a live broadcasting material and gets enthusiastic responses from subscribers. Meanwhile, Yeon Sinae, who is despairing after losing the dream stage, decides to leave in search of Yoon Sinae with fellow imitation singer Woon Sinae. And Hada secretly set up a live broadcast.