Based on the 2016–2018 Daum webtoon of the same name by Jae Hoo, it aired on tvN from March 11 to April 30, 2020.

[1] With the power to read people's memories, Dong Baek solves crimes as a detective in the police force.

When a string of serial murders happen, Dong Baek teams up with talented criminal profiler Han Sun-mi to stop the killer and prevent further deaths.

However, as they pursue the killer, the truth about their individual troubled pasts begins to unravel, and the murders quickly become far more convoluted than anything they had foreseen.

[2] • Kang Min-ah as Sul Cho-won Dong Baek's first love.