Late love (2012)

Lida and Anton are a seemingly perfect couple. For twenty years, they've raised their daughter Sonya and built a stable, conventional life. But their carefully constructed world begins to unravel when Anton meets Tanya, an alluring businesswoman and former colleague, during a business trip to Moscow. Witnessing Tanya’s vibrant happiness, Anton realizes his own life has become stagnant and that he must make a change before it's too late.