The fate of a young couple, deeply in love, in a far-off corner of Europe, triggers the worst war the modern world has ever seen - in 1914.  "The War to End All Wars" would set the stage for World War II and create long-lasting geopolitical tensions that shaped entire generations of people in the 20th and 21st centuries.  All of these well-known events are triggered by a wrong turn, and the unknown stories that follow will leave historians scratching their heads.