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Season 1, Episode 7: We Must Dig Deeper

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Jae-han arrests Se-kyu for the serial burglary case, but the culprit is freed after serving a short sentence; Kyung-tae still commits murder.

All Episodes - Season 1

You're Doomed
Episode 1
You're Doomed
 We Still Have a Chance
Episode 2
We Still Have a Chance
 We Can Prevent the Killings
Episode 3
We Can Prevent the Killings
 We Found the Killer
Episode 4
We Found the Killer
 Changing the Past Alters the Present
Episode 5
Changing the Past Alters the Present
 Catch Him by All Means
Episode 6
Catch Him by All Means
 We Must Dig Deeper
Episode 7
We Must Dig Deeper
 How Are You Alive?
Episode 8
How Are You Alive?
 Hongwon Dong Case
Episode 9
Hongwon Dong Case
 Someone Has to Stop the Bad Guys
Episode 10
Someone Has to Stop the Bad Guys
 The One Last Case
Episode 11
The One Last Case
 The Case Was Manipulated
Episode 12
The Case Was Manipulated
 The Real Assailant
Episode 13
The Real Assailant
 Not Now, But Maybe In The Past
Episode 14
Not Now, But Maybe In The Past
 Is It Really You?
Episode 15
Is It Really You?
 If You Don't Give Up
Episode 16
If You Don't Give Up
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