Season 1
16 episodes · first aired 2017-04-21
| Still | # | Title | Overview | Air date | Rating |
|---|---|---|---|---|---|
 | 01 | Ghost Agent K 2017-04-21 | 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. | 2017-04-21 | 9.5 |
 | 02 | Working for Un Gwang 2017-04-22 | 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. | 2017-04-22 | 9.0 |
 | 03 | Visiting Chairman Victor 2017-04-28 | 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. | 2017-04-28 | 9.0 |
 | 04 | Did You Think I Liked You? 2017-04-29 | From Chairman Victor's private collection of precious cultural artefacts, a wood carving catches Seol-Woo's eye. Then the power suddenly goes out. | 2017-04-29 | 8.0 |
 | 05 | Go with Your Feelings 2017-05-05 | 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 | 2017-05-05 | 9.0 |
 | 06 | Goldfinger Is Back 2017-05-06 | 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. | 2017-05-06 | 8.0 |
 | 07 | From This Moment, I Resign 2017-05-12 | 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. | 2017-05-12 | 9.0 |
 | 08 | Being a Bodyguard Was a Disguise 2017-05-13 | 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. | 2017-05-13 | 9.0 |
 | 09 | The Black Auction Mission 2017-05-19 | 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. | 2017-05-19 | 8.0 |
 | 10 | An Agent's Tactic 2017-05-20 | 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. | 2017-05-20 | 8.0 |
 | 11 | Finding the Mole 2017-05-26 | 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. | 2017-05-26 | 8.0 |
 | 12 | The Path 2017-05-27 | All sides involved, including Lee Dong-hyun, Mo Seung-jae and the National Intelligence Service, are continuing the search for the missing videotapes. | 2017-05-27 | 9.0 |
 | 13 | A Message From "Y" 2017-06-02 | 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. | 2017-06-02 | 0.0 |
 | 14 | Lovers Tactic 2017-06-03 | 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. | 2017-06-03 | 0.0 |
 | 15 | Only the Truth Can Save You 2017-06-09 | 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. | 2017-06-09 | 0.0 |
 | 16 | Life Must Go On 2017-06-10 | 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. | 2017-06-10 | 0.0 |
Ratings shown are community scores. Once OMDB is wired, these become per-episode IMDB values.