Episode 13

Summary

The Yu Seongwon case is reopened. Isoo recalls their first meeting and closes in on the truth.

Guest stars

• Lee Hwa-jung as Lee Hwa-jung
• Lee Do-yeop as Park Chan-gun
• Choi Hee-jin as Seo Yu-kyung
• Ryu Tae-ho as Kwon Tae-gyun
• Lee Tae-geom as KCSI Officer
• Kim Hye-eun as Jung Tae-sun
• Moon Jin-seung as Han Jong-hyun
• Kim Jae-rok as Hwang Jong-soo
• Lee Sae-rom as Song A-reum
• Gi Eun-you as Yu Seong-won (teen)