If you want guaranteed quality, these films are frequently cited as the best on the platform by critics at IMDb and Radio Times : The Best Movies on Amazon Prime Video - IMDb

Park Chan-wook’s psychological thriller is a cinematic feast. Set in 1930s Korea and Japan, it tells the story of a handmaiden hired to serve a Japanese heiress, but things are not what they seem. It is a twisting, erotic, and suspenseful tale that is widely considered one of the best international films of the 21st century.