Ghost rider

An old woman is awoken in the dead of night by knocks at her front door. She opens it to find her daughter, Doruntine, standing there alone in the darkness. She has been brought home from a distant land by a mysterious rider she claims is her brother Konstandin. But unbeknownst to her, Konstandin has been dead for years. What follows is chain of events which plunges an Albanian village into fear and mistrust. Who is the ghost rider?