Directed by Park Chan-wook, "Oldboy" is a 2003 South Korean neo-noir action thriller that showcases Park's distinctive visual style and narrative complexity. Known for his bold and provocative filmmaking, Park has gained international recognition with films like "Sympathy for Mr. Vengeance" and "The Handmaiden." His direction in "Oldboy" is both gripping and intense, making it a standout in Korean cinema.

The film follows Oh Dae-su, who is imprisoned in a mysterious cell for 15 years without knowing his captor or the reason for his captivity. Upon his release, he embarks on a quest for vengeance, uncovering dark secrets and facing shocking revelations along the way. The plot is filled with twists and turns, exploring themes of revenge, redemption, and the human psyche.

"Oldboy" received numerous awards, including the Grand Prix at the 2004 Cannes Film Festival and several Blue Dragon Film Awards.