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Episode 1
You're Doomed -
Episode 2
We Still Have a Chance -
Episode 3
We Can Prevent the Killings -
Episode 4
We Found the Killer -
Episode 5
Changing the Past Alters the Present -
Episode 6
Catch Him by All Means -
Episode 7
We Must Dig Deeper -
Episode 8
How Are You Alive? -
Episode 9
Hongwon Dong Case -
Episode 10
Someone Has to Stop the Bad Guys -
Episode 11
The One Last Case -
Episode 12
The Case Was Manipulated -
Episode 13
The Real Assailant -
Episode 14
Not Now, But Maybe In The Past -
Episode 15
Is It Really You? -
Episode 16
If You Don't Give Up
Signal 2016
8.1HD2 Seasons
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
