Characters

• 

  Ha Daecheol (Cast: Joo Sangwook)

  Prosecutor at Seoul Southern District Public Prosecutors' Office.
  
  At daytime, he is a materialistic prosecutor.
  Yet, at night, he becomes a righteous prosecutor wearing a mask.
  
  Judging by his sly and shameless personality, Ha Daecheol looks as if he is a typical career-oriented prosecutor. However, he deals with law-breakers who are not able to be punished by law in his own way, with his fist.
  
  Following his father's will, he became a prosecutor, but he cannot throw away his violent nature.
  
  Minhui misunderstands him as a snobbery, but she is the only one woman in Daecheol's life.
  Prosecutor at Seoul Southern District Public Prosecutors' Office.
  
  At daytime, he is a materialistic prosecutor.
  Yet, at night, he becomes a righteous prosecutor wearing a mask.
  
  Judging by his sly and shameless personality, Ha Daecheol looks as if he is a typical career-oriented prosecutor. However, he deals with law-breakers who are not able to be punished by law in his own way, with his fist.
  
  Following his father's will, he became a prosecutor, but he cannot throw away his violent nature.
  
  Minhui misunderstands him as a snobbery, but she is the only one woman in Daecheol's life.
• 

  Yoo Minhui (Cast: Kim SunA)

  Violent crime detective at Gangnam Police Station.
  
  An elite agent who graduated from Korean National Police University.
  
  She always to something righteous no matter what kind of external pressure she gets.
  
  This energetic woman from her outside, but she tends to avoid men because of a trauma. Then, she encounters two man.
  
  Ha Daecheol, who used to have feelings for her when they were in high school.
  And another guy with a mask on declares that he will protect her.
  
  At first, Minhui mistrusted them, but now she feels somewhat confused.
  Violent crime detective at Gangnam Police Station.
  
  An elite agent who graduated from Korean National Police University.
  
  She always to something righteous no matter what kind of external pressure she gets.
  
  This energetic woman from her outside, but she tends to avoid men because of a trauma. Then, she encounters two man.
  
  Ha Daecheol, who used to have feelings for her when they were in high school.
  And another guy with a mask on declares that he will protect her.
  
  At first, Minhui mistrusted them, but now she feels somewhat confused.
• 

  Kang Hyeonwoong (Cast: Um Kijoon)

  Prosecutor at Seoul Central District Public Prosecutors' Office.
  Main member of Jeonggeumhui, influential prosector's gathering.
  
  The son of Kang Joonho, who betrayed Daecheol's father.
  
  He has grown up without any difficulty so he believes the law of the jungle; only the strong survive.
  
  Minhui is the one who makes him soft from time to time.
  Prosecutor at Seoul Central District Public Prosecutors' Office.
  Main member of Jeonggeumhui, influential prosector's gathering.
  
  The son of Kang Joonho, who betrayed Daecheol's father.
  
  He has grown up without any difficulty so he believes the law of the jungle; only the strong survive.
  
  Minhui is the one who makes him soft from time to time.