The Wailing (2016) & The Medium (2021) - Film Analysis Bringing Down The GrindHouse

Il-Gwang : Even among other demons, he's a master of evil.

Jong-Goo : If that's true, why did it have to be...

Il-Gwang : ...your daughter? What sin did that young girl ever commit?

Jong-Goo : Yes.

Il-Gwang : If you go fishing, do you know what you'll catch?

Jong-Goo : No.

Il-Gwang : He's just fishing. Not even he knows what he'll catch. He just threw out the bait, and your daughter took it.