Viewers are captivated by 'Oldboy's' intense narrative and unexpected plot twists, praising its deep psychological layers and stellar performances. The film's dark themes of revenge and shocking revelations provide a gripping experience, though some find the graphic content and complex storyline disturbing or overly convoluted. Overall, it's recognized as a powerful piece of Korean cinema that challenges and intrigues its audience.

👍 Stellar performances and unexpected plot twists.

👎 Graphic content may be disturbing.