Ji-hoon is an assassin, and Han Yongsoo is an INCREDIBLY POOR guitarist. Ji-Hoon one day gets the go ahead to KILL Han Yongsoo from his boss. why? all because Jae Ji-soo, his sleezy, womanizer boss, dislikes Han Yongsoo and Han Yongsoo hasn't paid his rent money. Although Ji-Hoon is supposed to kill him, why then does he feel all of these strange emotions when he see's him? is he sick or something? or is it something more than just a simple fever? lets find out for ourselves..