Jeon Jungkook, a trainee of Bighit Entertainment, has a secret he'd been hiding even before he was a trainee-- he has a huge crush on Kim Taehyung, maknae of the hottest boygroup in Korea at the moment, Bangtan Sonyeondan. When he finds out that they will use the same dance room as BTS, an idea popped out on how he could make his sunbae/crush notice him.