根据希区柯克同名电影改编 二战结束不久，美国联邦调查员迪普请求纳粹间谍的女儿艾丽茜亚协助，到巴西去调查其父的老朋友，纳粹首脑塞巴斯。结果，迪普爱上了艾丽茜亚而不能说，而艾丽茜亚却以为迪普并不爱她，为了工作关系嫁给塞巴斯。塞巴斯察觉了艾丽茜亚的身份和企图，为了不被纳粹同伙知道自己曾泄漏了机密，在母亲的授意下给艾丽茜亚服用了慢性毒药。而迪普利用塞巴斯母子不能向纳粹同伙泄漏秘密的弱点，成功把艾丽茜亚救了出来。艾丽茜亚还带出纳...

After Alicia Velorus' father is convicted as a communist spy, CIA asks her to prove her loyalty by getting close to her father's friend, who's a suspected arms dealer. In the meantime she and her CIA contact Devlin fall in love.