Hwang Woo Hyun

As the brains behind the Korean Central Intelligence Agency, he's a cerebral man who makes calculating decisions in his line of work. He is in love with Bo Bae and becomes overcome with jealousy when Kang Ta enters the picture. This also triggers his competitive streak. When he learns that Kang Ta made threats to his father, he decides to have him eliminated. Blinded by jealousy, he kidnaps Bo Bae and faces off against Kang Ta.