1915年，由于对德国空袭伦敦感到失望，英国情报部门派出有德国血统的苏格兰军官杰弗里·里克特-道格拉斯前往德国，寻找有关德国最新的齐柏林飞艇的情报。
In 1915, frustrated with the German air-raids on London, British Intelligence sends Scots officer Geoffrey Richter-Douglas, who has German ancestry, to Germany, to find information about the latest German Zeppelin.
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