Stranger
Season 1, Episode 7: Ga Young's Phone
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Si-mok and Yeo-jin team up to covertly pursue Seo Dong-jae. Just as Dong-jae is about to throw something into the Han River, Yeo-jin stops him.
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