The Temples, about to travel to Egypt, agree to return a pair of spectacles to Richard Sullivan - but this leads to murder and intrigue, as they find Sullivan elusive and several people have an unhealthy interest in the spectacles.
Francis Durbridge is to tv and radio what Agatha Christie is to the novel - the master of the unexpected twist.
Francis Durbridge (1912-1998) was the twentieth century's foremost writer of thrillers for radio and television. His radio serials are still broadcast today, and his novels and stage plays remain popular worldwide.
He is best known as the creator of the detective Paul Temple and television serials that achieved record viewing figures such as The World of Tim Frazer, Melissa, Bat Out of Hell and The Desperate People.