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The team begins narrowing down the culprit. They compile a list of home addresses where the water usage has been unusually high. While investigating, Ji Han finds Detective Choi Hyun Seok’s wheelchair and a rifle bore-cleaner next to it. Suddenly, Oh Jong Cheol, another detective, greets him warmly and invites him over to his house.
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