Cha Yo-Han—an arrogant but genius doctor of anesthesiology—and Kang Shi-Young—a smart, warm resident of anesthesiology—work together to help people with mysterious cases of acute or chronic pain.
Ji Sung
Lee Se-young
Oh Hyun-joong
Lee Kyoo-hyung
Kim Hye-eun
Shin Dong-mi
Jeon No-min
Uhm Hyo-seop
