Episode 9: The Sound of Locking Doors

1 Introduction of the Characters 

2 Episode 1: The New Recruit 

3 Episode 2: The Canary in the Viper’s Nest 

4 Episode 3: A Badge is Just a Piece of Tin 

5 Episode 4: The Chairman’s Unending Gaze 

6 Episode 5: First Contact: The Scent of Expensive Tobacco 

7 Episode 6: Interrogation or Invitation? 

8 Episode 7: The Younger Brother’s Rough Greeting 

9 Episode 8: Undercover and Underdressed 

10 Episode 9: The Sound of Locking Doors 

11 Episode 10: Between the Suit and the Leather Jacket [18+] 

12 Episode 11: Protocol is for People Who Can Leave [18+] 

13 Episode 12: A Cop Who Forgets to Scream 

14 Episode 13: The Price of Information is Your Skin 

15 Episode 14: Handcuffs: A Tool for Two Purposes 

16 Episode 15: Tae-oh’s Dangerous Playground 

17 Episode 16: Mu-hyuk’s Cold Mercy 

18 Episode 17: Three-Way Deadlock 

19 Episode 18: The Uniform Becomes a Costume 

20 Episode 19: The Golden Cage's First Morning 

21 Episode 20: The Gala of Shadows 

22 Episode 21: The Final Surrender 

23 Episode 22: The backstory of the twin brothers 

24 Episode 23: The Reflection in the Blood 

25 Episode 24: The Crimson Ink of the Contract 

26 Episode 25: The Heart Behind the Iron 

27 Episode 26: The Third Star 

28 Episode 27: The Blood Moon Ritual 

29 Episode 28: The Traitor's Return 

30 Episode 29: The Basement’s Confession 

31 Episode 30: The Inseparable Shadow 

32 Episode 31: The Tea of Silence and Strategy 

33 Episode 32: The Integrity of a Dead Man [might have some mistake] 

34 Episode 33: The Miraculous Trap [skip the spicy scene] 

35 Episode 34: The Yacht of Sins[got mistake] 

36 Episode 35: The Horizon of Three 

37 Episode 36: The Coronation in the Garden 

38 Episode 37: The Shadows of the Throne 