In Bong Joon-ho's Parasite (2019), lead character Kim Ki-taek (driver of Mr. Park) suddenly kills Mr. Park at the end, when he says something about "smell of rotten stink".

But in the entire movie, they have shown the Park family to have a good heart (though they are rich and dumb). Even in the scene where Mr. Park tells his wife about his driver's bad smell, he in fact heaps praise of his driver for not “crossing the line".

So why did Kim kill Mr Park?

  • 2
    maybe you could change the title, because this is a massive spoiler for people who havent seen the film yet... – kl78 Nov 11 at 16:11

You mentioned two things right: the smell, which indicated the belonging of the poor family, and crossing the line.

The driver concluded a few times to Mr. Park that he really loved his wife. For Mr. Park it was entering his private territory, which he could not accept from a servant, because he thought of himself to be the upper class. At the party Mr. Park told the driver to do his job, which he was paid for. He didn't want to get close to him on a human level.

When the killing happened, the driver was grieving about his daughter, and Mr. Park didn't care about her and only wanted to save himself and his son. While it's right for the father, he should have thought of taking the wounded girl to the hospital as a human being, or saving others, but not running away. He didn't ask to drive him away, but rather demanded the keys from the driver, leaving everyone behind, and was disgusted by the smell.

In this critical situation he didn't care about his manners and showed his arrogance and ignorance. He still considered himself to be supreme. The driver lost his daughter and decided not to let the rich guy get away. He has assumed the role of the God and killed him.

So the main parasite (the driver) eventually kills his host, Mr. Park. It refers to the title of this film, "Parasite".


I agree with the top answer, however, I believe there's specifically one thing that triggered him to kill him.

It was when Mr. Park looked disgusted after smelling the basement guy and ran off with the key. Kim knew how much the basement guy respected Mr. Park and it seemed like after a while, he started to feel empathy for him. You can see Kim's face change expression when Mr. Park covered his nose and just ran with the key. So when Mr. Park treated the basement guy like garbage, in Kim's eyes, that's when he crossed the line.


One thing to consider: the wife said that in time of crisis, he (the husband/driver) would scatter like a cockroach exposed to the light. In the crisis, he initially did freeze as the wife took on the killer. Eventually, the husband sprung into action and the only thing he could do was to attack Mr. Park.

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