Attila, after thirty years in exile, returns to reclaim the Hun throne and sets his sights on the Roman Empire. The Roman Empire, fractured by internal conspiracies and rivalries, finds its last hope in Aëtius, a disgraced general tasked with defending Rome against the Hunnic invasion. The central conflict is amplified by the personal history between Aëtius and Attila, who were once friends during their shared exile, creating a complex dynamic of past loyalty and present duty.

The novel is recognized for its detailed portrayal of the historical period and the complex political landscape of the late Roman Empire. Readers often note the compelling narrative that balances large-scale military conflict with intricate personal relationships. The depiction of Attila and Aëtius's intertwined destinies provides a focal point for the story's dramatic tension. The book is appreciated for its immersive historical setting and the exploration of leadership during a time of immense upheaval.