Revenge, Friendship and Love. EXO is a elite group that works directly under the Head of police Kim Jiyong(Kwon Jiyong) as one of the best teams in the police force. They have solved many cases with the help of many skilled agents, Luhan, EXO's best hacker has been watched by the enemy for a long time, but that didn't matter to him because he had no weaknesses until he met him... Kim minseok. This was when everything started the gears have started to turn, a secret organisation has started to make it's move and Kim minseok always seems to be in the middle of the chaos. Just who is Kim Minseok.