Signal
Season 1 • Episode 15 — Is It Really You?
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
Seasons & Episodes
1You're Doomed2We Still Have a Chance3We Can Prevent the Killings4We Found the Killer5Changing the Past Alters the Present6Catch Him by All Means7We Must Dig Deeper8How Are You Alive?9Hongwon-dong Case10Someone Has to Stop the Bad Guys11The One Last Case12The Case Was Manipulated13The Real Assailant14Not Now, but Maybe in the Past15Is It Really You?16If You Don't Give Up