Characters

Main:

• Jung Yunho
  
  The unit chief and communication liaison SA (special agent) Jung „Uknow“ Yunho used to be a prosecutor, before he joined the NACS (National Anti-Crime Service). He is married with a man, who he has an adopted son with and he attempts to balance his family life and his job, but it has been something struggling for him.

• Park Chanyeol
  
  SA Park Chanyeol is a confident and assertive everyman character. He went to Seoul University on a baseball scholarship and holds a black belt in judo. Chanyeol runs NACS self-defense classes and served in a bomb squad unit. Before he joined NACS he worked as police officer.

• Lee Donghae
  
  He originally was the team's communication liaison with the media and local police agencies, after his husband and him adopted a baby boy, he takes a break from working for NACS. He returned as professional profiler after one year and shows great skills in the field, when it comes to his family and protecting his team

• Dr. Cho Kyuhyun
  
  SA Dr. Cho Kyuhyun is a genius, who graduated from Nowon high school at age of 12. His chief Yunho always introduces him as doctor instead of SA, so people will take him serious. After an introduction, he never shakes hands. Kyuhyun holds Ph.D.s in Mathematics, Chemistry, and Engineering, he also holds B.A.s in Psychology and Sociology and is working on a B.A. in Philosophy. He has an eidetic memory and hints that he could one day suffer from schizophrenia, since his mother does. Besides that he's the godfather of Donghae's son Jeno.

• Byun Baekhyun
  
  He's the team's technical analyst and communication liaison at NACS headquarters. He is flamboyant and fun-loving and provides the rest of the team with comic relief whenever it is needed. Baekhyun and SA Park Chanyeol share a very friendly-flirty relationship. He taught himself to hack after he dropped out of college and was grouped with the best hackers in the world, after being caught by the NACS, he was given a choice of living in a high-security prison for the rest of his life or working for the Mannerism Investigation Division of the NACS as an analyst.

• Choi Siwon
  
  He's a supervisory special agent and the son of one of the 'founding father' of the NACS and wealthy family. He had retired from the service as agent for the NACS in order to write books and go on lecture tours, but he returned to MID in order to solve unresolved cases.

• Kim Jonghyun
  
  As the son of an ambassador and a diplomat, he grew up in a wealthy family, but he never got along with his parents. He showed up with papers to Yunho stating he was the newest member of the MID without Yunho knowing about it. But Jonghyun becomes a permanent member of the team after solving a case together, where it was revealed that he is fluent in several languages such as Japanese, English, Arabic and Russian.

Side:

• Lee Hyukjae
  
  Donghae's husband and detective in Busan

• Jeno (SM Rookie)
  
  Donghae's and Hyukjae's son

• Jisung (SM Rookie)
  
  Yunho's and Changmin's son

• Shim Changmin
  
  Yunho's husband

• Park Yoochun
  
  Yunho's nemesis

• Lee Jinki (Onew)
  
  Former member of the MID; left after his love was killed

• Choi Minho
  
  Jonghyun's nemesis

• Ahn Chilhyun (Kangta)
  
  MID section chief

• Oh Sehun
  
  NACS member and specialist for Chinese communications, MID trainee

• Kim Ryeowook
  
  Kyuhyun's mystery phone interlocutor

• Chinese Anti-Terror Unit (CTU) agents:

  • Hangeng

  • Zhoumi

  • Wu Yifan

  • Luhan

  • Huang Zitao

 PS: All characters, cases and places are fictional!!