Moscow, Russia, February 1917. As the tinder-box of Revolution ignites, Inspector Vladimir Lesnoy gets a vital lead in an investigation he has been working on for years - the case of a brutal serial killer. Aboard the Trans-Siberian Express, Lesnoy is intrigued by his fellow passengers who all seem to have secrets to hide. While the train rumbles through the cold, bleak Siberian landscape, tensions start to simmer and romance blossoms. When murder strikes, all the first-class passengers come under suspicion and it soon becomes clear that each one of them had a motive to kill, as well as the means and the opportunity. A classic whodunnit set in a time of social upheaval, which will appeal to fans of Agatha Christie.