Allied submarines and escort fleets patrol the North Atlantic during the height of the war.

Classified maps and operational plans that guided Allied decision-making during the conflict.

Brilliant minds fleeing persecution, carrying knowledge and the hope of survival.

The claustrophobic world beneath the surface — a setting mirrored in the novel’s most intense scenes.

OSS dossiers uncovered in Berlin — the historical seed that inspired the novel’s narrative.

The end of war — but the beginning of historical reflection and moral reckoning.