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Prosecutor Do Ji Han firmly believes that the killer is the same killer from 30 years ago, and therefore, is a serial killer. Realizing the graveness of the situa-tion, a new team is formed solely for this case, and Pyo Yoo Seong takes the lead. Although Sol repeatedly tells Ji Han that they cannot ignore the possibility of a copycat, Ji Han refuses to listen.
Jung Jae-young
Baek Beom
Jeong Yu-mi
Eun Sol
No Min-woo
Jang Cheol
Kang Seung-hyun
Sally Kim
Ahn Suk-hwan
No Han-Shin
Park Jun-gyu
Kang Dong-Sik
Park Hee-jin
Cheon Mi-Ho
Ko Kyu-phil
Jang Seong-Joo
Kim Young-woong
Yang Soo-Dong
Ju Jin-mo
Park Joong-Ho
Song Young-gyu
Ma Do-Nam
Noh Susanna
Han Soo-Yeon
Oh Man-seok
Do Ji-Han