Choi Ella.. A 21 year old girl who always aspired to be independent finds her life turned upside down when her rich father who was the biggest shareholder of Hybe declared that his daughter will be the 8th member of the world's biggest music band BTS which also happens to be her favorite.. She finds herself trying to fit in between the already experienced idols which becomes even more difficult because she has a constant criticiser who is none other than.. Park Jimin.. Her beloved bias.. Will she be able to fit in and prove herself worthy in the eyes of her bias?.. Or will things take a turn for the worse?..