KIM HAN BIN was a NORMAL teenager like every teenager in Korea..
In fact, Han Bin is INTELLIGENT, HANDSOME and really TALENTED in music .
He also has a happy yet harmonious FAMILY that always SUPPORT him no matter what .
He have a serious yet caring FATHER who always busy but always managed times to spend with them ,
He have a beautiful, sweet and kind MOTHER who always there by his side to help him 
and a cute yet lovable baby SISTER who always brighten his day up ..
 
 
BUT
that was his PAST...
Now, Han Bin known as B.I, the best KILLER and AGENT in YG Underground Organization..
A big organization that does ILLEGAL things like KILLING, SPYING, and SMUGGLING
All of his QUESTIONS already SOLVED at the first day he entered the organization
The reason, WHY his parents were killed.
WHY his parents want him and his sister to be in the organization.
He feels day by day his reason to be human, LOST.
But Hanbyul s the only ONE reason that he is able to LIVE