Communicating via a walkie-talkie that transcends time, a profiler from 2015 and a detective from 1989 join forces to tackle crimes and injustice.
1 - 1You're Doomed Jan. 22, 2016
1 - 2We Still Have a Chance Jan. 23, 2016
1 - 3We Can Prevent the Killings Jan. 29, 2016
1 - 4We Found the Killer Jan. 30, 2016
1 - 5Changing the Past Alters the Present Feb. 05, 2016
1 - 6Catch Him by All Means Feb. 06, 2016
1 - 7We Must Dig Deeper Feb. 12, 2016
1 - 8How Are You Alive? Feb. 13, 2016
1 - 9Hongwon-dong Case Feb. 19, 2016
1 - 10Someone Has to Stop the Bad Guys Feb. 20, 2016
1 - 11The One Last Case Feb. 26, 2016
1 - 12The Case Was Manipulated Feb. 27, 2016
1 - 13The Real Assailant Mar. 04, 2016
1 - 14Not Now, but Maybe in the Past Mar. 05, 2016
1 - 15Is It Really You? Mar. 11, 2016
1 - 16If You Don't Give Up Mar. 12, 2016