It's a good movie. I found it difficult to pull in all the nuances of the story line. There were several different lines of conflict going on and it all was not made clear. I can't tell if the fault is the screenplay or direction.

This actually starts off with rather a sad indictment of modern society. The church in Busan has a "deposit your unwanted children" box. It's all heated with a jingling toy inside, but it seemed slightly surreal to think that a mother would turn up ...