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Ma Ri leaves Ryung after saying harsh words that keep replaying in Ryung’s mind. Still, Ryung continues her search for the Subway Ghost. But this time, she comes across someone willing to help. Meanwhile, an autistic boy goes missing from the bakery in Wangsoori Station and the Grasshoppers are on a pickpocketing spree once again. Ji Seok and Ryung have different priorities in which case to pursue.
Gi So-you
[Lee Man Jin's third daughter]
Ki Do-hun
Kim Woo-Hyeok
Park Ji-yeon
Park Ho-san
Lee Jun-hyeok
Chief Kong
Ahn Seung-gyun
Kang Soo-Ho
Jo Jae-yun
Lee Man-Jin
Jung Yoo-jin
Ha Ma-Ri
Kim Seon-ho
Ko Ji-Seok
Moon Geun-young
Yoo Ryung
Ahn Sang-woo
Jeon Won-Chool
Song Ok-suk
Kim Hyeong-Ja
Song Sang-eun
Park Mi-Hyun
Kim Jung-young
Choi Kyung-Hee
Nam Kee-ae
Han Ae-Sim