In 1893, Chicago hosted the World's Fair and burst onto the world's stage. But there was a darker side to the fair. Thousands of young women were disappearing, several of them last seen with a mysterious individual named H. H. Holmes. He's known in the city as a crook and a swindler, but could he be more? Detectives believe so, but without the aid of blood sampling, fingerprinting or DNA profiling, it will take old school investigative tactics and dogged determination to prove Holmes is indeed the "White City Devil."