The Man who knew too much - A child is kidnapped by spies to ensure her father's silence after he is informed of a plot to assassinate a diplomat by a dying agent. The climatic scene at the concert in Albert Hall where the assassination is to take place is one of Hitchcock's classics.

The Lady vanishes - Travelers on a trans-European train are stopped for the night due to bad weather and are hosted by a local hotel. Iris Henderson meets an old woman, Miss Froy who disappears as the journey begins again. As the search begins to seem futile, several people on the train reveal nefarious motives beneath their innocent facades.

Secret agent - British soldier and novelist Edgar Brodie returns home during WWI to find that a government agency has faked a report of his death. They get him to change his name to Richard Ashenden and travel to Switzerland to track down a German agent.