Memorist (2020)

S1E9 The Pupil Under One's Foot

Jin Jae Gyu, who was responsible for the death of Sun Mi’s father two decades ago, is not the Eraser, the telepathic killer who has emerged recently. He reluctantly became a pawn for the Eraser to safeguard his own family. The only clue left in his fragmented memory is tied to Dong Baek, which Sun Mi and Dong Baek use to pursue the Eraser. As they delve deeper into their investigation, they stumble upon a pertinent case, only to discover that the Eraser has recently made direct contact with Dong Baek.