Fa yeung nin wa (In the Mood for Love) (2000)
In 1962 Hong Kong, a married man and a married woman who have just moved in next to each other come to the realization that their spouses are having an affair with each other. Even though they are developing feelings for each other, they are determined not to do as their spouses have done.
The film counts on the viewer to make narrative connections that are not spelled out. But its subtlety becomes a bit of a liability, because it prevents the film from being as profoundly affecting as it should be. The cinematography and editing are spell-binding without quite being showy.