Season 1

In 2017, Son O-gong and Devil King Woo are in conflict with each other as they look for a true light in a dark world where evil thrives. From there, O-gong is bound to his protective role towards Jin Seon-mi, the little girl he had met years ago. Having made a contract with Seon-mi 25 years ago, entitling her to seek help from O-gong whenever she calls him in exchange for letting him free, the two meet again in a fateful encounter.

1. 

   1. Episode 1

   2017-12-23 · 87m

   While fulfilling her part of the deal with a so-called "fairy," young Seon-mi makes a critical mistake that catches up with her 25 years later.

2. 

   2. Episode 2

   2017-12-24 · 87m

   Desperate for help in dealing with O-gong, Seon-mi seeks out Devil King Woo, who, as the head of an entertainment agency, is judging for an audition.

3. 

   3. Episode 3

   2018-01-06 · 84m

   As Geumganggo works its magic on O-gong, he gets frustrated by the conflicting feelings he has toward Seon-mi. Meanwhile, a young woman goes missing.

4. 

   4. Episode 4

   2018-01-07 · 83m

   To get O-gong off his back, Devil King is forced to make a big compromise. O-gong brings something -- or someone -- very stinky to Devil King's house.

5. 

   5. Episode 5

   2018-01-13 · 82m

   Devil King donates an object of cultural importance to a museum, where historical artifacts on exhibit still bear the souls of the original owners.

6. 

   6. Episode 6

   2018-01-14 · 78m

   Loyal Ms. Ma can't allow herself to just watch as Devil King suffers. Seon-mi feels torn as she knows all too well that O-gong's love isn't real.

7. 

   7. Episode 7

   2018-01-20 · 68m

   Devil King Woo seeks Seon-mi's help in dealing with a troublesome prince who refuses to return home until he finds a runaway mermaid.

8. 

   8. Episode 8

   2018-01-21 · 70m

   When the plan to make O-gong jealous misfires, Devil King shows Seon-mi something to provoke her. An evil spirit is using social media to spread hate.

9. 

   9. Episode 9

   2018-01-27 · 69m

   Seon-mi can't stop thinking about the moment the bell rang and what it means for her. An evil spirit is suspected of stealing children's souls.

10. 

    10. Episode 10

    2018-01-28 · 72m

    The fulfillment of Seon-mi's wish to be ordinary has far-reaching consequences on not only O-gong but also Devil King Woo, Richie and even Pal-kye.

11. 

    11. Episode 11

    2018-02-03 · 71m

    An assailant attacks Devil King Woo at a torch relay. Richie prepares to say her goodbyes. Ms. Ma finds out that a black bell has gone missing.

12. 

    12. Episode 12

    2018-02-04 · 71m

    O-gong realizes that the Geumganggo has the power to take his life. Kang Dae-seong devises a plan to get rid of his annoyances altogether.

13. 

    13. Episode 13

    2018-02-10 · 73m

    Asanyeo pursues what she didn't achieve more than 1,000 years ago. Aware of Devil King Woo's weakness, she decides to use it to her advantage.

14. 

    14. Episode 14

    2018-02-11 · 72m

    Relentless in her desire to be stronger, Asanyeo orders General Winter to get her incense burner back. Seon-mi mentions the love bell to O-gong.

15. 

    15. Episode 15

    2018-02-17 · 75m

    To avoid exacerbating the dilemma regarding Asanyeo, O-gong must pretend not to know the truth, and General Winter must be found as soon as possible.

16. 

    16. Episode 16

    2018-02-18 · 72m

    In an uncanny dream, a woman shows O-gong the moment that Samjang was born. Asanyeo demonstrates what she's capable of doing for Kang Dae-seong.

17. 

    17. Episode 17

    2018-02-24 · 72m

    O-gong refuses to accept his and Seon-mi's fates. Devil King Woo wants to believe Asanyeo despite others' warnings that he's being deceived.

18. 

    18. Episode 18

    2018-02-25 · 76m

    As O-gong prepares to sacrifice himself in place of Seon-mi, Devil King Woo, feeling sorry for both, tries to solve the mystery behind the Geumganggo.

19. 

    19. Episode 19

    2018-03-03 · 72m

    While Seon-mi is away at the Lotus Village trying to figure out exactly what her mission is, O-gong hurries to begin the ritual to summon the dragon.

20. 

    20. Episode 20

    2018-03-04 · 76m

    Both the Spiritual Realm and Devil King Woo try to get O-gong to come out of Sureumdong, where he's shut himself in after the fateful day.