Killed by Lightning(2002)

Original title: Убитые молнией

An anthropologist investigates the origins of human evolution. She had suffered a mental trauma during her childhood when her father, a submarine captain, died during the war. This trauma periodically destabilizes her condition. The ghosts of a prehistoric past and a violent death collide in the subconsciousness of the scientist to give birth to an unexpected theory of the origins of human beings.