The film offers no moral lesson except this: revenge is a closed loop. The only difference between hero and villain is whose family died first. As Woo-jin says before shooting himself, “Now you know the pain I felt. But do you know why I have to die? Because I still have you.” Victory in revenge is impossible; the best one can achieve is mutual annihilation.
The Labyrinth of Revenge: Narrative, Ethics, and Visceral Style in Park Chan-wook’s Oldboy (2003) Oldboy -2003 Film-
Released in 2003, Oldboy shocked international audiences with its brutal violence, taboo-breaking storyline, and virtuoso filmmaking. Loosely adapted from Garon Tsuchiya and Nobuaki Minegishi’s manga, the film follows Oh Dae-su (Choi Min-sik), a drunken businessman mysteriously imprisoned in a private cell for 15 years. Upon his release, he is given five days to discover his captor’s identity and motive. The film culminates in a revelation so horrific—the protagonist’s unwitting incest with his own daughter—that it reframes every preceding act of revenge as hollow self-destruction. The film offers no moral lesson except this: