Diana Henderson, beautiful and desperately in need of money, accepts a job in an international club of former aristocrats known as The Broken Men. Simon Astley, her would-be fiancé, is suspicious of the club members and insists on following her. Bit by bit, the dark aims of the club grow clear. Diana and Simon, fighting against The Broken Men, are plunged into a whirlpool of breath-taking adventure. Opposed to them is an insidious enemy possessing all the diplomatic cunning of the old world, but armed with the scientific inventions of the new. On the frontier of Poland a charge of the Polish lancers decides a wavering battle and two daring pilots fight a desperate duel in the air. As in Old Swords, Val Gielgud is again writing of his favorite scenes in his favorite vein.