This film isn't simply something to view; it’s an immersive event. Oldboy is undeniably among the finest revenge narratives committed to celluloid. I believe it features a villain who stands above all others—intelligent, frightening, and completely memorable. The movie presents a disturbing and unsettling narrative, but its presentation is remarkable. It's the kind of motion picture everyone should see at least once. Even after the credits roll, it lingers in your thoughts. And the musical score is gorgeous; it complements the atmosphere perfectly, amplifying the impact of each moment. If you haven’t had a chance to watch it, you are doing yourself a disservice.

Source on TMDB