Try 30 days of free premium.


A crazed serial killer's ruthless murders have left the entire nation gripped with fear and chaos reigns. Justice-seeking rookie police officer, Jung Ba Reum, comes face to face with the killer. While he survives his dangerous encounter with the psychopath, Jung Ba Reum finds his life completely changing. A suspenseful story that asks the key question, "What if we could identify psychopaths in advance?"

Show Info

Network: Korea, Republic of tvN (2021 - 2021)
Schedule: Wednesdays, Thursdays at 22:30 (70 min)
Status: Ended
Language: Korean
Show Type: Scripted
Genres: Drama Crime Thriller
Episodes ordered: 20 episodes

Official site:

6.8 (6 votes)

Try 30 days of free premium.

Previous Episode

The Last

Episode S01 Special; May 20, 2021

Previous Episodes

Episode NameAirdateTrailer
S01 Special: The LastMay 20, 2021
1x20: Ba Reum's Final CallMay 19, 2021
1x19: Kim Joon Sung's LaptopMay 13, 2021
View full episode list »


Extra Details

Also known as:
  • 마우스 (Korea, Republic of Korea, Republic of)
Try 30 days of free premium.