Behind the Glass (2008)

The private lives of three nouveau riche Croatians are brought to a boil, in a love triangle, pinning a self-assured architect between his tart tongued wife and his long suffering mistress, who also happens to be his business partner. It's been a six-year affair between Nikola and Ana and Nikola's wife Maja has known it for almost as long. Ana has all but lost hope and walks around bitter and frustrated, while Nikola is paralyzed by his inability to make a life change. His wife Maja, seems to be poised and in control but she too is about to fall apart. When the architecture business begins to struggle, their miseries begin to surface from behind the glass, for everyone to see, and the threesome gradually fall apart, together, through series of suspenseful spasms.