In 1851 England, the city of London anticipates the grand opening of the Great Expedition. Excitement is mounting with each engineering triumph of the railways, but not everyone feels like celebrating. A sudden attack hits the London to Birmingham mail train and it is looted and derailed. Planned with military precision, Detective Inspector Robert Colbeck fights to untangle a web of murder, blackmail and destruction. As Colbeck closes in on the criminal masterminds, events take an unexpected turn when the beautiful Madeline, daughter of the injured train driver, becomes a pawn in the criminals' game. With time running out, good and evil, new and old, battle against each other. But will the long arm of the law have speed on its side? Full of historical detail, unexpected twists and memorable characters, this is a mystery that will surprise you at every turn.