Indy finds that he must enlist the help of Hapsburg royalty when he embarks on a dangerous diplomatic mission through enemy-held Europe into the palace of Emperor Karl of Austria. Endangering his life and the lives of his royal charges, Indy gambles all in a desperate attempt to bring the war more quickly to an end. Then, in chaos-ridden Russia, Indy finds his espionage work once again threatening lives when he infiltrates a group of young Bolsheviks and begins to empathize with their plight. As the country lurches toward revolution, Indy finds himself torn between loyalty to his friends and his military duty.