[1] It stars Jung Kyung-ho, Park Sung-woong, Go Ah-sung, Oh Dae-hwan and Noh Jong-hyun.

The series aired on OCN from June 9 to August 5, 2018 on Saturdays and Sundays at 22:20 (KST).

[2][3][4][5] Han Tae-joo (Jung Kyung-Ho) leads a crime investigation team.

He has experienced a rapid rise in his career and he trusts data over people.

To get back to the present day, Han Tae-joo tries to solve a serial murder case.