Episode 10

Summary

With the victim's three friends as suspects, Isoo works to decode the dying message.

Guest stars

• Choi Dong-gu as Kim Young-hwan
• Choi Hee-jin as Seo Yu-kyung
• Im Jin-seop as Jung Min-jae
• Yoo Seung-ho as Yu Seong-won
• Kim Jae-rok as Hwang Jong-soo
• Lee Sae-rom as Song A-reum
• Roh Ju-eun as Moon Se-yeon
• Jeon Hye-bin as Jeong Joo-hee
• Jeong Gi-seop as Security Guard
• Han Ga-eul as Kim Ha-yun