Assuage My Sorrows(1989)

Original title: Утоли моя печали

After his marriage with Lyuba breaks down, Boris begins to search for an apartment of his own. He locates an apartment for couples which is being inhabited by a lone old lady who is supposed to move in with her sister. The old lady doesn't want to go, and tries to stave off the inevitable by taking in a young woman Elya as a flat-mate.