Following his fight with the biplane Dirk goes for a midnight swim and meets a beautiful young woman named Teri von Till whom he quickly seduces. She invites him to dinner at her uncle's villa that evening where Pitt is introduced to the book's primary villain, Bruno von Till. Pitt learns that von Till is an old comrade in arms of Lt. Kurt Hiebert, a World War I flying ace known as the Hawk of Macedonia, whose trademark was a bright yellow Albatross biplane.