Baek Juho is a spy working for FNC company, SF9 Headquarters, he was sent on a mission to prove the suspect (Lee Yuri, a typical, shy collage girl) guilty. However, we all know that Zuho is a nice, friendly and warm-hearted guy, so of course he goes on the mission to prove the director wrong. Anyways, he has his moments, where he just can't hep it but to act cold.