Adalbert of Prague, Bolesław IV of Poland, the Kievan Rus, and Conrad I of Masovia had tried before, but without lasting success, which is why the latter requested the help of the Teutonic Knights.

A tale of a young impoverished nobleman, who with his uncle returns from a war against the order of the Teutonic Knights in Lithuania. He falls in love with a beautiful woman and pledges an oath ...