Stranger

Shi-mok visits Park Moo-seong, who called him to report prosecutors' corruption to find him dead.

After the suspect kills himself, Yeo-jin finds evidence that proves the suspect's innocence.

Shi-mok promises he will catch the criminal in two months on a TV show. He reinvestigates the case.

The last person Park Moo-seong met is the prosecutor, Young Eun-soo, making her father suspicious.

The girl Seo Dong-jae was looking for is found dead. Yeo-jin finds shocking truth about the case.

Dong-jae keeps the victim's phone, making him suspicious. Shi-mok and Yeo-jin track down the phone.