While holidaying in Switzerland, Bob Lawrence and his wife Jill are asked by a dying friend, Louis Bernard, to get information hidden in his room to the British Consulate. They obtain the information, but when they deny having it their daughter Betty is kidnapped. It turns out that Louis was a Foreign Office spy and the information has to do with the assassination of a foreign dignitary. Having managed to trace his daughter's kidnappers back to London, Bob learns that the assassination will take place during a concert at the Albert Hall. It is left to Jill, however, to stop the assassination.
The Man Who Knew Too Much
An ordinary British couple vacationing in Switzerland suddenly find themselves embroiled in a case of international intrigue when their daughter is kidnapped by spies plotting a political assassination.
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