In battles, Prince Svyatoslav of Kiev did not know defeat. Until we had to face the powerful Byzantine Empire. Realizing how difficult it will be to resist such a strong power, Svyatoslav decides to turn to the witch Malfrida for help. To gain her favor, he even installed her grandson, the young prince Vladimir, as the prince of Novgorod. But how can you do business with a sorceress who does not obey human laws? And Malfrida willfully refuses to agree with the prince, having fallen in love with one of his warriors. However, the sorceress loses her magical power when she meets with a mere mortal...