Peril on The Royal Train

A train veers off the rails near the Scottish border and plunges into the lake below. Inspector Colbeck is summoned to investigate and finds that a large, complex conspiracy may be afoot. Spring, 1858. The route of the Caledonian Railway through the southern uplands of the Scottish countryside is disrupted by a fatal crash. Inspector Robert Colbeck and Sergeant Victor Leeming are called from the crime of London to investigate, and must contend with old enemy Superintendent Rory McTurk to uncover the criminals behind the disaster.