Fu Beiyan is the daughter of the Demon King and the nightmare of the Demon World.
Funan Zhou is the son of the Demon King and the glory of the Demon World.
They are twins, but their destinies are completely different.
One ascends the throne and rules the world, while the other flees and lives in exile.
Destiny made them face each other with swords, and imperial power made everyone betray their relatives.