Memorist

Right after telepathic, superstar detective Dong Beck gets put on disciplinary probation for assault, an out-of-the-ordinary kidnapping and serial killing occur. Elite profiler Han Sun Mi, the nations youngest senior superintendent, first takes on the case. With his hands tied, Dong Beck also secretly joins in on the chase. The two genius crime solvers independently pursue a serial killer with a hammer.

After finally discover the image of the red pig, Dong Baek races to a farm to save Ye Rim, the kidnapped girl on the brink of execution. Meanwhile, Sun Mi all by herself heads to where her instincts guide her and enters the serial killers hideout, risking her life. However, they come across something they never expected.

Sun Mi thinks that the person who has a superpower could be the culprit, so she adds Dong Baek to a suspect list. Dong Baek starts investigating the person who sent a drawing to Ki Dan thinking that the person is the culprit. Meanwhile, Dong Baek goes to Sungjung Sanatorium to meet Young Moon, and he reads Young Moon’s memory.

When all the clues point to Jin Jae Gyu, proving that he could be the Executioner, Dong Baek and Sun Mi approach him for a memory scan. However, he refuses it and chooses to go through a house search. Although plenty of evidence related to murder cases is found, it was not solid enough to keep him in custody. Instead, Jin Jae Gyu provokes Dong Baek and Sun Mi with a prophecy of another murder.

Jin Jae Gyu actually was the Executioner who killed Sun Mi’s father 20 years ago, but he wasn’t the Eraser who recently surfaced as a telepathic murderer. In fact, he had no choice but to become the Eraser’s puppet in order to protect his family. What was left of his memory is Dong Baek and Sun Mis only lead to track down the Eraser. And when they finally do find a relevant case, they also realize that the Eraser recently physically contacted Dong Baek.

Dong Baek and Sun Mi once again set out on a joint investigation to dig deeper into the concealed mass slaughter case from 20 years ago. While searching for the traces of the murderer’s identity, they finally secure an important clue that the murderer has a big scar on his right arm. However, there was one thing that they overlooked. The fact that there is someone around them with a similar scar.

Sun Mi finds out that Dong Baek was at the scene of the mass murder in Shimbae City 20 years ago. However, she decides to continue with the joint investigation after a brief interrogation at Jin Jae Gyu’s house. Eventually, Sun Mi and Dong Baek realize what the Eraser’s ultimate goal is as they finally face those behind the grand scheme.

While Captain Koo struggles to pull himself back from the brink of death, Dong Baek leaves a video with his testimony, knowing that it could put his life at risk. Before heading off to chase the Eraser, Dong Baek asks Ji Eun to release the video to the public at all costs. At last, Dong Baek and Sun Mi come face to face with the Eraser and shocking truth.