"Lee Young-O is an excellent neurosurgeon with zero sympathy. One day, he becomes involved in bizarre patient deaths. He also falls in love and recovers his humanity."
Jang Hyuk
as Lee Young-Oh
Park So-dam
as Gye Jin-Sung
Yoon Hyun-min
as Hyun Suk-Joo
Park Se-young
as Kim Min-Jae
Huh Joon-ho
as Lee Geon-Myung
Kim Jong-soo
as Shin Dong Jae
Lee Jae-ryong
as Chae Soon-Ho
Oh Jung-se
as Kang Hyun-Joon
Ryu Seung-su
as Kim Myung-Soo
Min Sung-wook
as So Ji-Yong
Lee Sung-wook
as Yoo Jang-Bae
Cho Jae-wan
as Oh Kyung-Jin
Shim Yi Young
as Kim Yoon-Kyung
Jeon Seong-woo
as Hong Kyung-Soo
Jang Ki-yong
as Nam Ho-Young
Dong Ha
as Yang Sung-Eun
Jung Moon-sung
as Hwang Jung-Hwan
Shin Dong-hoon
as Presidential Candidate's Aide
Seo Ji Won
as [Doctor]
Kim Tae-hee
Writer
Mo Wan-il
Director