Episode 1 - Ghost Agent K
April 21, 2017 • 66 minutes
We meet Kim Seol-woo during a hostage situation, where he takes out the hostage takers against orders. He's recruited by the NIS to become a ghost agent: deeply planted into organizations, fake identities and operating discreetly.
Episode 2 - Working for Un Gwang
April 22, 2017 • 68 minutes
Neither Woon-Gwang nor his chief celeb manager Cha Do-Ha likes his new bodyguard. If the can't make him leave, they'll just make him want to leave.
Episode 3 - Visiting Chairman Victor
April 28, 2017 • 65 minutes
After leavening that Woon-Gwang has been involved in a similar accident before, Seol-Woo relays his suspicions to Lee Dong-Hyun, his comrade and mentor.
Episode 4 - Did You Think I Liked You?
April 29, 2017 • 64 minutes
From Chairman Victor's private collection of precious cultural artefacts, a wood carving catches Seol-Woo's eye. Then the power suddenly goes out.
Episode 5 - Go with Your Feelings
May 5, 2017 • 67 minutes
For his next task, Seol-woo must get close to Do-ha, but it isn't so easy when she has forbidden him to approach her within a 1-meter radius
Episode 6 - Goldfinger Is Back
May 6, 2017 • 67 minutes
Seol-woo gets drunk and sends cute text messages, all in the name of his mission. Meanwhile, Congressman Baek tries to make a deal with Jang Tae-ho.
Episode 7 - From This Moment, I Resign
May 12, 2017 • 62 minutes
To stop Seol-woo from blowing his cover, Dong-hyun tells him to stay out of the investigation. However, Seol-woo continues his search for the culprit.
Episode 8 - Being a Bodyguard Was a Disguise
May 13, 2017 • 63 minutes
Do-ha asks to hear the truth directly from Seol-woo. Meanwhile, Dong-hyun and Seol-woo begin preparation for their next mission, the Black Auction.
Episode 9 - The Black Auction Mission
May 19, 2017 • 61 minutes
For the country and Do-ha's father, Un-kwang decides to help Seol-woo. Do-ha, not able to trust Seol-woo, requires him to sign a contract.
Episode 10 - An Agent's Tactic
May 20, 2017 • 64 minutes
Jang Tae-ho lays down his conditions to Mo Seung-jae. For their new mission to commence, Seol-woo and Do-ha must first get the approval of Un-kwang.
Episode 11 - Finding the Mole
May 26, 2017 • 68 minutes
Seol-woo doesn't pick up Do-ha's phone calls, so she decides to check his workroom. Dong-hyun visits Jang Tae-ho and asks if he knows where K is.
Episode 12 - The Path
May 27, 2017 • 65 minutes
All sides involved, including Lee Dong-hyun, Mo Seung-jae and the National Intelligence Service, are continuing the search for the missing videotapes.
Episode 13 - A Message From "Y"
June 2, 2017 • 61 minutes
Jang Tae-ho and Lee Dong-hyun discuss Song Mi-eun and her past: She decided to marry Mo Seung-jae, not for his wealth but for her own survival.
Episode 14 - Lovers Tactic
June 3, 2017 • 65 minutes
The police find the vehicle involved in the hit-and-run accident. Determined to kill off the bad guys, Seol-woo gets his gun from his workroom.
Episode 15 - Only the Truth Can Save You
June 9, 2017 • 66 minutes
For Seol-woo, it's finally time for revenge. For all involved, it's finally time for closure and for punishments to be given where they are due.
Episode 16 - Life Must Go On
June 10, 2017 • 69 minutes
For Seol-woo, it's finally time for revenge. For all involved, it's finally time for closure and for punishments to be given where they are due.