Todd Russell’s review published on Letterboxd:
English subtitled Korean drama about an impoverished family that lives slightly beneath street level and perpetrates a scam for monetary gain against a rich family by systematically replacing their servants.
Video Review - just left the theater (no spoilers)
This is one of those heavy subtext, hidden and not-so-hidden meanings movies. I don't mind movies like this as long as the basic story holds my interest. And I usually require at least one likable character to love a movie. I didn't like any of the characters portrayed. Not any of the rich family not any of the poor fraud family, nor the displaced servants. They were all just kind of ... meh.
It kept me entertained and it's a different drama, which I do enjoy at least the effort to present a fresh story, but I'm not as excited as the critics who are gushing over the subtexts and satirical look at social levels. Recommended if you want to see what all the fuss is about and don't mind following the subtitles for two plus hours. I was not going to recommend, but the ending was pretty good.