Destination Unknown

There was news in the papers about the disappearance of various scientists from time to time throughout the world, not only scientists but also the young men who were engaged in important medical research or research chemists or physicists. They all disappeared in thin air without any trace. One of them was Thomas Betterton, a nuclear physicist.

Hilary Craven had nothing to live for so her destination was death - by suicide. Mr. Jessop proposed her a sporting method of suicide, and asked her to impersonate the dead woman Olive Betterton and to trace her husband Thomas Betterton, thus Hilary Cavern set for destination unknown...