Stranger

Yeo-jin collects evidence as Si-mok interrogates the suspect. Many questions get answered, but the most important problem of all remains to be solved.

All Episodes - Season 1

Episode 1

I Am Innocent

Episode 2

Just Turn On The Lights

Episode 3

A New Possible Suspect

Episode 4

Kwon Min Ah

Episode 5

The Second Huam-dong Case

Episode 6

The Ringtone

Episode 7

Ga Young's Phone

Episode 8

Western Seoul Prosecutors' Office

Episode 9

Special Investigation

Episode 10

Revelation

Episode 11

Cold and Damp

Episode 12

Disbandment

Episode 13

0 and 7

Episode 14

Another Body

Episode 15

Accomplice

Episode 16

A Monster