The Second Huam-dong Case

Summary

Si-mok, puzzled by the details of the most recent murder case, visits the victim's home to seek more clues. Yeo-jin joins him in the investigation.

Guest stars

• Ye Su-jeong as Park Moo-sung's mother
• Uhm Hyo-seop as Park Moo-sung
• Yoon Kyung-ho as Kang Jin-seob
• Ha Min as Kim Ga-young Teacher (Eps 5)