Sioban is a Dark Moon princess, at war with the Sunbloods, she decides to offer herself to the eldest son of her enemies to save her people and end the war. But in the heart of the city of the Sunbloods, Sioban is surrounded by enemies who plot in the shadows to annihilate her species. Including her husband. If the hatred of the Crown Princes towards the Dark Moons, suffers no limit, the Sun seems to lose its influence on its children...