

Poland in the 9th century. The people pray to the sun god to end the devastation wreaked by the Norsemen. At this time, the old king dies, and his brutal and bloodthirsty brother Popiel takes over. The solitary Ziemek feels challenged by the situation and, together with the former commander of the troops, Piastun, begins to form a resistance against the king. But the king calls on the Vikings for help. In a duel, Ziemek defeats the Viking leader, and Popiel flees to a tower and locks himself in. There, Ziemek meets him for a final duel.