Sang-woo receives painful surgery when he is ten, and murders another kid from trauma. After he receives hypnosis treatment, he disappears with his family. After 25 years, a successful doctor meets his old friend one day, and everything changes.
Acting
Kim Myung-min's controlled unraveling is masterclass
Direction
Lee Kyu-man builds dread through sterile hospital corridors
Writing
The anesthesia awareness premise is genuinely nightmarish
Director
Lee Kyu-man
Trivia, insights & behind the scenes
Anesthesia awareness is a documented phenomenon affecting roughly 1 in 1,000 patients, making this medically grounded horror unusually plausible.
The film subtly mirrors Korean society's pressure to succeed—Jae-woo's 'perfect' doctor identity literally constructed on buried violence he cannot acknowledge.