Welcome aboard the Reuss Express, a journey of a life-time derailed by an unexpected assassination. On the eve of a landmark speech by the wealthy heiress Lady Unterwald, a straight-laced lawyer, a crime novelist-turned rookie detective, and an undercover spy find themselves embroiled in a murder, a mystery, and worst of all… an adventure! Now stuck onboard a luxurious steam train, within stabbing distance of a cold-blooded killer, the race is on to prove their innocence once and for all! Play as Diana, Arthur and Herman to unwrap the mystery and put your point and click puzzle-solving skills to the test... Mr. Arthur Ackerman finds himself in the personal employ of Lady Unterwald, an eccentric heiress of the Wald-Bahn rail company. On the verge of a landmark speech, you've been summoned to make a last minute amendment to her Will - aboard her flagship luxury train, The Reuss Express. Little does Arthur know, he's about to become embroiled in a murder, a mystery and worst of all... an adventure!