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As Products has been acting suspiciously, Dae Sung and Myung Sook tail her to see if she is the killer. However, Products is not the only suspicious one. Although it is clear that Yul is being abused by her father, she denies help. Dae Sung tries to think why Yul is denying help and confidently says that Dae Sung is not the murderer. This allows him to come up with another lead.
Lee Kwang-soo
Ahn Dae-sung
Kim Seol-hyun
Do Ah-hee
Jin Hee-kyung
Jeong Myung-sook
Park Ji-bin
Saeng Sun
Jo A-ram
Part-timer
Kim Mi-hwa
Gong San
Oh Hye-won
Ya Chae
Shin Sung-woo
Ahn Young-choon
Moon Hee-kyung
Yang Soon
Lee Yoon-hee
Kim Doo-hyun
Bae Myeong-jin
Ji Woong
Jang Won-young
Oh Cheon-won
Ryu Yeon-seok
Seo Cheon-kyu
Ahn Se-bin
Seo Yool