Oldboy ending explained

Spoiler summary page for informational search intent.

What happens at the end?

With no clue how he came to be imprisoned, drugged and tortured for 15 years, a desperate man seeks revenge on his captors.

Why it matters

The ending resolves the main conflict and sets up the emotional takeaway of the story. As the index grows, this block can be auto-generated with more detailed scene-level commentary.

FAQ

Does this page contain spoilers?

Yes. The explanation summarizes major ending events and interpretation.

Where can I find similar endings and themes?

Check the similar movies page for related tone and narrative structure.