[1][2] It replaced Voice and aired on cable network OCN on Saturdays and Sundays at 22:00 (KST) from March 25 to May 21, 2017 for 16 episodes.

However, his life changes when he takes the lead in a serial homicide case and passes through a tunnel while chasing the "culprit".

He time travels 30 years into the future (2016), where he meets a new partner, Kim Seon-jae, an eccentric elite detective that has a high ability in investigation.

The series remade into Thai language with the same title in 2019 An Indonesian adaptation starring Donny Alamsyah and Hana Malasan, and directed by Ifa Isfansyah as one of the three directors assigned to direct different episodes.

Tanya Yuson and Shanty Harmayn served as the showrunners, while Fourcolors Films produced the show.