Heo Sung Tae

Cha Yeon-ho, a KAIST graduate who is reasonable and individualistic, and Min So-hee, an expert in traffic investigation with both cool-headedness and sensitivity, are united in the Traffic Crime Investigation (TCI) Team to tackle crimes on the road.

A 17-year-old case, known as the scam of the century, reemerges as a serial murder case in the present year 2023. It's a nationwide crime case thriller revolving around three people.

Dorama will tell the story of twin brothers revealing the truth about an incident 22 years ago. Their biological father is accused of murdering their stepfather. To find the real criminal and justify the father, who is facing the death penalty, they need to find the "Adamas" - the murder weapon. This thing disappeared on the night of the murder, along with the witness's daughter.

A mystery sci-fi thriller that follows the story of elite scientists who set off for the moon to retrieve some unknown samples from an abandoned research station.