To Here Knows When (2013)

A lonely wife (Kitty Colquhoun) takes in a young female boarder named Sarah (Hanna Stanbridge). Her husband (Patrick O'Brien) returns, and he can't keep himself away from the alluring Sarah, and the exotic mysteries hidden in her room. Made in Scotland in just five days for $6000, "Sarah's Room" is an intriguing and artistic tale told in haunting tones, smoky interiors and often voyeuristic camera techniques.