Set in the land of Terre d'Ange, where the inhabitants are descended from fallen angels, this series follows individuals chosen by deities to protect their nation through sacrifice and espionage. The narrative begins with Phèdre nó Delaunay, a spy and courtesan marked by the god Kushiel, who uncovers a treasonous conspiracy that threatens the sovereignty of her homeland. Across multiple generations, the saga explores the intersection of divine will, complex political intrigue, and epic travel across a reimagined version of the ancient world.