During archery in a wood Princess Fantaghirò is discovered by the hostile king's son Romualdo. He is able to take a short look at her before she can escape and immediately falls in love with the unknown beauty. When Romualdo challenges her father for a duel to end the bloody war between their people Fantaghirò is send out to fight him due to a prophecy. As Romualdo sees her dressed as a man he believes to recognize his beloved. So he tries everything to discover whether she is a man or a woman and prevent the duel. Fantaghirò starts to fall in love with him, too, but her sense of duty is strong. Will love bring them together or will it end as a tragedy?