The 39 Steps by John Buchan, adapted for radio

<p>While on vacation in London, Richard Hannay becomes embroiled in an international spy ring related to the mysterious "39 steps." Then he meets agent Annabella Smith, who is soon killed in his apartment. He must elude the police, who are hunting him for murder, while he tries to stop the Professor Bartlett from sending secrets out of the country. Hannay is assisted by Pamela, an unwilling accomplice and their adventure to discover the truth leads them to the Highlands of Scotland and eventually to the West End of London.</p>