Driving across the Yorkshire moors en route to Scotland, Bernard Gilfont stops to help a woman who claims to have become stranded after her car has broken down. After seeing her safely on her way and retracing his journey, Gilfont's own car also breaks down near the same spot. When, seeking help at a nearby farmhouse, he discovers the dead body of a man who has evidently been shot, he begins to wonder whether the girl's story is all it appears. Moreover, he himself is now a prime suspect in a murder investigation - much to the chagrin of his uncle, Sir Bertrand Knowles, Deputy Commissioner of Police at Scotland Yard. Determined to keep the woman out of the affair and clear his own name, Gilfont (with a little help from his valet, Peters) is forced to do some investigating of his own...
Originally published in 1935, this is a vintage murder mystery from the golden age of British crime fiction.