Actor Ji Chang Wook, Lim Yoon A, Song Yoon A, Jo Sung-ha

Introduction: The special guard member, Kim Je Ha, code-named "K2", who comes of a mercenary, has been betrayed by the state. He is accidentally involved in the gaming of power between candidate Jang Se Joon and his wife Choi Yoo Jin. Kim Je Ha is hired by Choi Yoo Jin as a bodyguard for Go An Na, an illegitimate daughter of the candidate, who is secluded. The story begins between Kim Je Ha and Go An Na.