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Unable to keep his feelings hidden any longer, Do Jin confesses his love to Jae Yi, and she replies back with a kiss. They both tell each other that it's crazy that they like each other but that they cannot help it. Meanwhile, everyone from Gowon Station who were on the case 12 years ago are summoned for an interrogation in secret.
Jang Ki-yong
Chae Do-Jin
Jin Ki-joo
Han Jae-Yi
Huh Joon-ho
Yoon Hee-Jae
Kim Kyung-nam
Yoon Hyun-Moo
Seo Jeong-yeon
Chae Ok-Hee
Choi Ri
Chae So-Jin
Yoon Jong-hoon
Gil Moo-Won
Kim Seo-hyung
Park Hee-Young
Jeong In-gi
Go Yi-Seok
Nam Da-reum
Young Yoon Na-Moo
Ryu Han-bi
Young Gil Nak-Won
Kim Sang-woo
Young Yoon Hyun-Moo
Lee Ye-won
Young Chae So-Jin
Lee Da-in
Lee Yeon-Ji
Kwon Hyuk-soo
Kim Jong-Hyun
Jung Yoo-ahn
Young Gil Moo-Won
Park Soo-young
Pyo Baek
Jung Da-hye
Cheon Se-Kyung
Park Joo-mi
Ji Hye-Won
Yoon Ji-hye
Han Ji-Ho
Song Young-gyu
Police University Professor
Park Kyung Chu
Gil Sung Sik
Bae Hae-seon
Jeon Yu-Ra
Kim Esther
High School student
Joo Woo-jae
Kang Yoon Sung