在夜幕降临时，微风中藏着一丝不安，潜伏的杀机悄然逼近。性欲处理专员

　　Childhood friends Tommy and Tuppence meet in London after having served in World War I. Recently "demobed", short of money, and with no job prospects, they decide to become adventurers for hire. Soon, they are employed by the British Government to locate a secret treaty signed before the war.