The Handmaiden (Mademoiselle)

Korea. 30s, during the Japanese colonization. A young woman (Sookee) is hired as a maid for a rich Japanese woman (Hideko), living as a recluse in a huge mansion under the thumb of a tyrannical uncle. Mais Sookee has a secret. With the help of a con man posing as a Japanese count, they have other plans for Hideko