The Orient Express. Luxury. Mystery. Romance. For one group of passengers settling in to their seats and taking their first sips of champagne, the journey from London to Venice is more than the trip of a lifetime. A mysterious errand; a promise made to a dying friend; an unexpected proposal; a secret reaching back a lifetime. . . As the train sweeps on, revelations, confessions and assignations unfold against the most romantic and infamous setting in the world.