Kansas City 1933 Frank Nash is a petty criminal being escorted back into town by train FBI agent Vetterli waiting for the convoy at Union Station is expecting a routine assignment What happens at Union Station that day is a massacre with no one knowing who really pulled the trigger first Newspaper reporter Charles Thompson is a witness to the events at Union Station and begins a personal investigation that may cost him his life and that of his family In the tradition of Torso and Road to Perdition Union Station is the true story that started J Edgar Hoover\'s war on crime and helped shape the FBI into the agency it is today