the drama is a psychological suspense drama, telling the story of an outsider inside the police, a middle-aged search officer who was once a terrible lawyer to the prosecutor. he witnessed the young detective who was a policeman who killed his mother. the three related parties of the tragic murder case that happened 15 years ago. the three men and women who collapsed their lives because of this incident revealed the true face of the secret organization within the police in the special environment of personal apology and found a reason for their death to survive. ddd　　 kim hyun-joo plays han tae-joo, who is a legendary secular lawyer. he was originally a prosecutor who had risen to the top, but he resigned because he was seriously injured when a robber in his family and temporarily went abroad to recuperate. after returning to china, he established a law firm dedicated to serving wealthy criminals. deliberate defense of the criminal, causing trouble, allowing relevant people to get into evil and kill each other. seo kang-joon plays the role of the suspicious policeman kim young-jun in the play. has excellent observation ability with insight into prisoners, is full of courage, is quick and smart, and is also because he believes nothing 〃suspicious disease ＂，he met with the supervisory squad leader and secular lawyer to form an illegal search team.