Explores loneliness, the definition of humanity, and the dark side of immortality.
Dong-soo is kidnapped by organ traffickers who steal one of his eyes.
Uses 10-bit color depth, which provides smoother color gradients and reduces "banding" compared to standard 8-bit files. Critical Reception
He soon discovers he can still see through his missing eye, which has been transplanted into Oh Jin-seop (Go Kyung-pyo), a notorious serial killer.