1866. On a train bound for Portsmouth, an elegant woman shares a compartment with the lecherous Giles Blanchard. It is a lucky encounter for her, as she steps off the train after picking his pocket and in possession of scandalous material for a potential blackmail. It is a less fortuitous meeting for Blanchard, who will never reach his home on the Isle of Wight alive.
Detective Inspector Colbeck and Sergeant Leeming are swiftly dispatched to...