Na-gyeom reveals the shocking truth of that night. A dangerous situation arises for Jeong-woo, who finally learns the whole truth. The gubernatorial election reaches its climax and the last remaining door to the truth opens.

Jeong-woo is deeply affected by the death of Min-su's father. At the same time, Bo-yeong's funeral is held, and Sang-cheol continues his investigation.

Shocking truths continue to be revealed after the shooting carried out by Bo-yeong's father. Hyeong-sik falls into a panic, while Sang-cheol puts pressure on Gu-tak.

New evidence begins to resurface from the car that Jeong-woo's father had hidden. The anger of Bo-yeong's father, who has uncovered the truth, reaches a boiling point.

The warehouse door opens, and the truth from ten years ago begins to emerge. The hospital director, Hyung-sik, is being blackmailed by his wife, Congresswoman Ye Yeong-sil.

Geon-oh's suicide leaves Gu-tak deeply shocked. Na-gyeom tells Bo-yeong's parents that Byeong-mu and Min-su were involved in Bo-yeong's death.

Byeong-mu provokes Sang-cheol to obstruct his investigation. Meanwhile, Geon-oh decides to testify about what happened that day.

Jeong-woo is shocked by the items that he found in Bo-yeong's bag brought by Geon-oh. Meanwhile, Su-oh who is confined in a mental hospital, attempts to reveal a secret to Ha Seol.

The person who threatened Jeong-woo with a gun was Bo-yeong's father, who had been released from custody. Meanwhile, Geon-oh whose suddenly returns from the US, causing problems for his father and the villagers.

Bo-yeong's mother provokes Gu-tak with her demands. To make things worse, Su-oh also had a seizure, while Ha Seol senses something strange about the villagers. Meanwhile, Su-oh, who had been hospitalized, reappears with a completely different demeanor.

Na-gyeom is upset about Jeong-woo's situation and urges him to go to Seoul together. As the investigation into Jeong-woo's case from ten years ago begins, Sang-cheol starts to have several doubts.

Jeong-woo is investigating his mother's accident, but Detective Noh Sang-cheol starts to suspect him after learning about his identity. Ha Seol, who becomes interested in past incidents in the village, discovers unusual bones and becomes intrigued.

Jeong-woo visited the warehouse where the incident occurred, tormented by his memories. He sought to learn more about his mother's accident, but everyone dismissed him.

On the day after the college entrance exam, two girls went missing in a peaceful rural village. Only traces of murder were left, and there were no bodies. The suspect identified in this case was Goh Jeong-woo, a model student from the village and a classmate of the two girls.