An absolute masterpiece. I didn't think it was possible for Park Chan-Wook to top "Oldboy" and the rest of the "Vengeance Trilogy," but here we are.
Both twists feel well earned, which is really what a film like this requires. The twists not only make narrative sense, but they make sense for the characters.
PS Having the destruction of smut scene just after the love scene is perfection.
PPS The evil uncle in this is way up there on the film encyclopedia of terrible extended family members raising orphans.