第二次世界大战期间,德国准备渡海入侵英国,开始制订作战计划。但德国人对英国的防空力量及军事部署摸不清,因此决定派间谍去侦察。任务落到一个名叫汉斯的间谍身上。为蒙骗英国人,汉斯转道西班牙,假扮西班牙绅士,去英国使馆签证。汉斯声称自己是去调查英国战时童子军现状的。英国使馆爽快地为他签了证。其实,英国反间谍机关早已了解到汉斯的身份,派人暗中跟踪他。 During World War II, Germany was prepared to cross the sea to invade England and began to formulate a plan of operations. However, the Germans did not know enough about the air defense forces and military deployment in Britain and decided to send a spy to scout. The mission fell on a spy named Hans. To deceive the British, Hans switch to Spain, posing as a Spanish gentleman, visa to the British embassy. Hans claimed he was going to investigate the status quo of the British Boycott Wartime. British embassy readily sign for him. In fact, the British anti-spy agency has long been aware of Hans’s identity, sending someone to secretly follow him.