I'm surprised at how anti-abortion this film is.
I've heard abortion is very common in Asia. If abortion was really considered to be killing a real unborn child (as opposed to a fetus but not yet a person) wouldn't there be a strong pro life movement in Korea? But I've never heard of such a thing. Even in the United States where there's a strong pro-life movement, it's mostly the religious Christian evangelicals who are behind it. Scratch the surface of an American anti-abortion rights activist and you'll find a Christian conservative.
Given that there's no hint of religion in this film and it's in Korea, then I'm surprised at how vehemently the housemaid treated her abortion as a murder.