In this heart-stopping novel by #1 New York Times bestselling author James Rollins, an elite team of ex-Special Forces soldiers turned scientific specialists must uncover a secret society and the treasure that could destroy the world.

When a group of parishioners are burned to death in a German cathedral, the U.S. sends in the Sigma force. The tragedy is more than a case of arson; someone has stolen the priceless treasure

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A fire in a Copenhagen bookstore ignites a relentless hunt across four continents. Commander Gray Pierce dives headlong into a mystery that dates back to Nazi Germany -- and to horrific experiments performed in a now-abandoned laboratory buried in a hollowed-out mountain. Meanwhile, madness ravages a monastery in Nepal, as Buddhist monks turn to cannibalism and torture. Lisa Cummings, investigating the atrocity, is suddenly a target of a brutal assassin...