A serial killer is terrorizing the young women of Daejeon.  You're a forensic psychologist, on loan--by invitation--from the nation's Special Investigations Division, committed to figuring out just who is executing these horrendous murders.  While your colleagues think that you're helping them investigate the case, however, what you're really investigating is them. 

Kim Yong-sun was a detective investigating an unidentified murderer along with her sub-ordinates. After hitting dead end, a victim surfaces and the case took a drift. 

    𝖠 𝖢𝗈𝗅𝗅𝖾𝖼𝗍𝗂𝗈𝗇 𝗈𝖿 𝖲𝗍𝗈𝗋𝗂𝖾𝗌 𝖽𝖾𝖽𝗂𝖼𝖺𝗍𝖾𝖽 𝗍𝗈 𝖶𝗂𝗇𝖱𝗂𝗇𝖺 💕 𝖻𝖾𝖼𝖺𝗎𝗌𝖾 𝗐𝗁𝗒 𝗇𝗈𝗍.       AUTHOR

  We all outgrow our past but that was something Sehun never did forget. Things of his past were supposed to stay there, buried somewhere he shouldn't be able to see anymore but guilt remained and with the appearance of Byun, Baekhyun, his life was turning for the worst.

Kim Minjeong, a member of the hacker group Aespa, got caught and is now about to be interrogated by Detective Yu Jimin. Detective Yu Jimin has a plan.

  "There is nothing between you and I but air and the fear in your heart." Grey Colson.   In which one of the most widely and unfavorably known criminals turns himself in after a fateful event asking for a normal civilian life in exchange for ratting out South Korea's biggest crime syndicates. Seo Raon, a rookie detective from the Organized Crimes Unit, found hers

"What my Nayeon knew what to do best was to keep secrets. But, I was much better at revealing them." After being hired to investigate the rich businesswoman Im Nayeon for murder, detective Yoo Jeongyeon goes undercover as an aspiring novelist named Bang Eunkyung, in hopes of getting closer to her suspect. Easily attracted to her, Im Nayeon opens the doors of her mansion to detective Yoo, who soon finds herself in a dilemma; to arrest Im Nayeon, or to cherish her. Through her n

A love square with wenrene, featuring their secret identities as partners in vigilantism; detective au, enemies to lovers, coworkers to friends to lovers, and secret identities... What kind of unfortunate scenarios can seungwan and joohyun find themselves in?