In the underground music scene the members of Big Bang are kings. They sit on their thrones in the high end night club ‘Essence’. The five part, all male, group run a large ring of power in the club music scene in town. They are looked up to by other groups and are seen as the largest competition factor in the underground music world.

Kwon Misun has always been in her brother’s shadow. Because of his musical talent Jiyong has been in the limelight since they were children. As G-Dragon, the leader of Big Bang, he’s still in the limelight.

Now that their parents are gone Jiyong is all Misun has left. To hold on to her only chance left for real family she pushes her feelings of resent aside and accepts her place as Kwon Jiyong’s little sister.

As Big Bang’s little sister.

But Mi Sun is tired of playing off of her brother’s limelight. She has her own talent, but under her brother’s thumb she doesn’t get the chance to shine on her own. The chance she longs for. She wants to have her own start. Without her brother holding her back.

To try to get a chance of having her own spotlight she creates another life behind Jiyong’s back. What will happen when her brother finds out about her double life? Or about the friends she’s kept secret for so long? Will he approve? Or will this discovery fuel new rivalries?