Warning: This article contains spoilers forDecision to Leave.

When a frantic Hae-joon arrives, traces of the hole, and Seo-rae, are gone.

And it looks like nothing happened.

Park Chan-wook for his latest film, Decision to Leave

Tang Wei and Park Hae-il in ‘Decision to Leave’.Mubi

He leaves no trace of himself and basically evaporates from the world.

The story doesn’t really explain why he committed this particular form of suicide.

I never got to film this story.

Park Chan-wook for his latest film, Decision to Leave

Tang Wei in ‘Decision to Leave’.Mubi

I forgot about that idea for a while."

When it came time to write the ending forDecision to Leave, Park revisited the decades-old idea.

“Seo-rae must forever remain an unresolved case to Hae-joon,” the filmmaker adds.

“Seo-rae wanted Hae-joon to spend sleepless nights looking at a photo of her and thinking about her.

This might come off as a cruel kind of emotion, but this was her emotion.

So she has to find a way where she can disappear without a trace.”

We are borrowing the power of the ocean.

It’s also a method of patience a method of waiting and accepting one’s fate."

Just don’t interpret that devastating finish as a sacrifice.

That’s how I want the audience to think of the ending."