故事讲述纽约侦探的女儿和女婿在伦敦遭遇残忍杀害,而这让他的生活陷入混乱,就此他开始展开调查,而每到一个地方,他都将类似谋杀案以明信片形式寄给一名记者。
Two German computer pioneers who go to court in the fight against an apparently invincible opponent