In the shocking finale to the bestselling series that began with Stalking Jack the Ripper, Audrey Rose and Thomas are on the hunt for the depraved, elusive killer known as the White City Devil. A deadly game of cat-and-mouse has them fighting to stay one step ahead of the brilliant serial killer—-or see their fateful romance cut short by unspeakable tragedy.

Audrey Rose Wadsworth and Thomas Cresswell have landed in America, a bold, brash land unlike the genteel streets of London they knew. But like London, the city of Chicago hides its dark secrets well. When the two attend the spectacular World's Fair, they find the once-in-a-lifetime event tainted with reports of missing people and unsolved murders.

Determined to help, Audrey Rose and Thomas begin their investigations, only to find themselves facing a serial killer unlike any they've heard of before. Identifying him is one thing, but capturing him—-and getting dangerously...

在以《跟踪开膛手杰克》为开端的畅销书系列的令人震惊的结局中，奥黛丽-罗斯和托马斯正在追捕被称为白城魔鬼的堕落的、难以捉摸的杀手。一场致命的猫捉老鼠的游戏使他们要比这个聪明的连环杀手领先一步，否则他们的宿命之恋就会被难以言表的悲剧所打断。

奥黛丽-罗斯-沃兹沃斯和托马斯-克雷斯韦尔来到了美国，这是一片大胆、粗暴的土地，与他们熟悉的伦敦的优雅街道不同。但与伦敦一样，芝加哥市也很好地隐藏了它的黑暗秘密。当两人参加壮观的世界博览会时，他们发现这个千载难逢的盛会被失踪者和未解决的谋杀案的报告所玷污。

奥黛丽-罗斯和托马斯决心提供帮助，开始了他们的调查，却发现自己面对的是一个与他们以前听说过的不同的连环杀手。识别他的身份是一回事，但要抓住他--而且是危险的......