Crepuscule (2014)

Maria, aged 82, and her sick son Sashko live out their days in a remote province. Sashko went blind because of serious illness. He's afraid that his mother is dying, but Maria desperately clings to life as she realizes that no one will take care of her son. They may seem to be acting irrationally, but they are heroically unwilling to surrender. Maria buys a calf, Sashko starts to build a tractor, groping his way in the darkness.