Seasons & Episode
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 killer's hideout, risking her life. However, they come across something they never expected.
Dong Baek and Sun Mi finally come face-to-face with the real Claw Hammer serial killer. Now, it's a fierce race against time—Dong Baek and Sun Mi, who are working together to secure murder evidence, against those who want to destroy it. However, within their battle, they face yet again another catastrophic event.
Dong Baek is so close to catching Jin Jae Gyu, the culprit of all the murders. As Dong and Han track down Jin Jae Gyu, the two still can’t seem to find the ultimate reasoning behind Jin Jae Gyu’s massive acts of murder. They meet Sang Ha and her son Hyeon Su who also seem to be related with Jin Jae Gyu. Is Jin Jae Gyu really the Executioner?
The Eraser leaves nothing in Yoo In Tae’s mind. Witnessing the critical condition the Eraser left Yoo In Tae in motivates Dong Baek and Superintendent Han to use a different strategy. They decide to come up with a step by step plan to lure and capture the Eraser. Will it work this time?
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.
Dong Baek meets face to face with the Eraser to only find out it was his older sister, a long gone memory he erased himself after a traumatic family event. After finding his old memories, he laments to the fact how his sister turned into a killing monster. However, thankfully, he collects ample evidence to prove Hwang Pil Seon and Bang Joon Seok’s crimes.
When Dong Baek was a high school student, he suddenly gained a supernatural power. Whenever he touches somebody, he can read that person's memory. Dong Baek reveals his memory reading ability to people and he becomes a detective. He is gung-ho to catch as many criminals as possible. He encounters a mysterious serial murder case.