"Your only thing worth protecting in this world, from this world and from my cold and blood thirsty world... But why? Why can't I let you go?" When a sensitive Jimin can't remain at his old school and has to move to a new one, his brother moves into his boyfriend's house and so he moves in as well... But what happens when that house is home to Korea's most feared mafia... And their boss takes a liking to Jimin? Will he push Jimin away or keep him close?