A beautiful Brazilian countess with a secret mission. A Count with a German mother and a Brazilian father. A United States Navy Commander. A rebellion in southern Brazil. What do they have in common? Intrigue, romance, and conspiracy in this 1917 international mystery thriller.Commander Walter Topham, assigned as an attaché in Japan, is requested by the Secretary of State to deliver a sealed secret document via the Berlin embassy en route to Japan. Topham agrees to travel to Japan via Berlin. He meets and falls in love with the Countess de Ouro Preto on the steamer voyage, not knowing she is part of a conspiracy. He is drugged on the sea journey and attacked while traveling by train to Berlin by plotters who want to prevent the document from reaching Berlin.