A female college student from reality, a jade pendant from the Sara world, a prince with a reversed identity, what kind of story is behind the dove occupying the magpie's nest. How will the chivalrous ladies of the homeland, the king who unified the world, and the prince who has been responsible for the fate of the country for four hundred years move towards the unknown future? How will the prince of the homeland, whose destiny is clear, face his adoptive father and adoptive mother who destroyed his country due to a combination of circumstances? Should he choose to comply with the destiny, or choose to go against heaven? What kind of story will be born when the empires of the Kingdom of Water and the Kingdom of Fire alternate? Is the dream of a thousand years sad or happy? Whether the prophecy of destiny and the curse of history can be broken, all the answers will be revealed soon.