Private eye Slim Callaghan is summoned to the country home of a Colonel Stenhurst, but the latter is murdered before he can talk to the detective. Was one of the Colonel's three daughters responsible?

A traumatized and troubled teenager is sent to an all-girls detention home where she strikes up an unlikely friendship with a fellow inmate.

An idealistic English school teacher comes to Trippuvur to work with Mabel Forster, a strong-willed missionary, devoted to saving young girls from being sold into temple prostitution.

In Mexico, a financier on the run poses as a man he just murdered, only to find out that the man was also a murderer.

An upper-class female reporter is (despite herself) attracted to a hulking laborer digging a tunnel under the Hudson River.

A British Guianese engineer starts a job as a high school teacher in London’s East End, where his uninterested and delinquent pupils are in desperate need of attention and care.

故事发生在西班牙加泰罗尼亚的Costa Brava的一幢别墅里。Kimberley Prescott（Anne Baxter饰演）是一位年轻的南非钻石公司的继承人。在她父亲自杀后，她继承了家族的财产和生意。一天晚上，一名男子（Richard Todd饰演）到来，自称是她已故的哥哥Ward Prescott。然而，她的哥哥Ward早已在一场车祸中丧生，而且是她认的尸体。Kimberley认为这个冒名顶替者是为了遗产里的这幢别墅。她报了警。但这名男子有护照，银行账户等身份证明自己就是Ward。警察 Vargas (Herbert Lom饰演) 表示不相信Kimberley。这名男子甚至还用照片详细描述他俩的童年等等来支持他的说法。这名男子很快就住进了Kimberley的别墅，更进一步融入了她的生活。随后，Kimberley发现，他们是为了她父亲公司金库里丢失的钻石而来。尽管Kimberley坚持否定这个陌生人不是她的哥哥Ward，但其他人都接受了他就是Ward，包括他们的叔叔。Kimberley 进而意识到她甚至很可能有生命危险。这时，Vargas 开始对事情有疑虑，站到了Kimberley的一边。Vargas让Kimberley拿到这名男子的指纹。Kimberley照做。结果，Vargas得到的验证结果是指纹属于Ward Prescott。所有人都怀疑是Kimberley疯了。这个自称是Ward的男子到底是不是Ward Prescott？情急之下，Kimberley爆出一个惊人的秘密...