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A new patient jogs Young-do’s memory of a student he ran into 18 years ago. Da-jeong uncovers a message left behind by Jun.
Seo Hyun-jin
Kang Da-jeong
Kim Dong-wook
Ju Young-do
Yoon Park
Chae Jun / Choi Jung Min | Doctor Ian Norman Chase
Nam Gyu-ri
An Ga-young
Kim Ye-won
Park Eun-ha
Han Min
Park Cheol-do
Kang Hoon
Kang Tae Jung
Oh Hyun-kyung
Moon Mi Ran
Yun Sang-jeong
Min Ah Ri
Lee Hae-yeong
Ko Jin Bok
Yun Ji-on
Park Ho
Park Ye-ni
Heo Yu Kyung
Ji Seung-hyun
Seo Ha Neul
Kim Seo-kyung
Chun Seung Won
Baek Hyun-joo
Oh Mi Kyung
Hwang Seung-eon
Han Jin Ho
Park Sang-nam
Patrick
Park Ki-deok
Hwang Jae Sik
Paul Battle
Dr. Chris Bale
Ji Hye-in
Noh Hyun Joo [Attorney]