From Russia to Jamaica to South America, husband-and-wife treasure-hunting team Sam and Remi Fargo are plunged into a dark and disturbing mystery. Adventurers Sam and Remi Fargo soon learn that a long-lost fortune may be back in play, but those responsible are behind a series of unspeakable crimes. As the Fargos follow the trail across Europe, Northern Africa, and South America, they know only one thing, this adventure will be greater than anything before. Should they fail, the world may witness the resurgence of one of the most terrifying evils of the modern world.