In The Darkness and the Dawn, Thomas B. Costain weaves a gripping historical novel set in the 5th century, during the devastating days of Attila the Hun's invasion of Europe. The story follows Nicolan, a young man sold into Roman slavery who escapes to join Attila's forces, seeking vengeance against his captors. Amidst the chaos of war, Nicolan's love for a golden-haired girl and his loyalty to his homeland intertwine, leading to a narrative rich in passion, power, and the complexities of human emotions.