本片由Tony  Wharmby  执导,邀请演员弗兰西丝卡·安妮丝  詹姆斯·沃里克  乔治·D·贝克  亚历克·马克温  出演的恐怖片类型电影，讲述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.