"After a CIA agent mysteriously dies overseas, his top asset surfaces with a startling and terrifying claim. There's just one problem--no one knows if she can be trusted. But when six exchange students go missing, two airplane passengers trade places, and one political-asylum seeker is arrested, a deadly chain of events is set in motion. With the United States facing an imminent and devastating attack, America's new president must turn to covert counterterrorism...

Recruited as a field operative, Scot Harvath has just returned from his first assignment abroad when a bombing in Rome kills a group of American college students. The evidence points to a dangerous colleague from Harvath's past and a plan for further attacks on an unimaginable scale.

When American doctor Julia Gallo is kidnapped in Afghanistan, the terms of her ransom leave the president with only one course of action: send covert counterterrorism operative Scot Harvath to free the man the kidnappers demand as ransom -- al-Qaeda mastermind, Mustafa Khan.

When a string of high-profile kidnappings in Washington, D.C., escalate upon the discovery that the victims are being murdered, an eventual ransom demand triggers terror throughout the country and covert counterterrorism operative Scot Harvath is summoned to put an end to the crisis.

"The newest thriller in the #1 New York Times, #1 Wall Street Journal, and #1 Publishers Weekly bestselling series! Across Europe, a secret organization has begun attacking diplomats. Back in the United States, a foreign ally demands the identity of a highly placed covert asset. In the balance hang the ingredients for all-out war. With his mentor out of the game, counterterrorism operative Scot Harvath must take on the role he has spent his career...