"When the CIA's efforts to extract Dr. Sung Kwan, a North Korean scientist and an invaluable source on Kim Jong Il's nuclear ambitions, result in the deaths of Kwan and the rescue team, Wells's significant other, Jennifer Exley, searches to identify the person in U.S. intelligence who compromised Kwan's security. Meanwhile, Wells returns to Afghanistan to find out what outside country has been helping the Taliban reassert itself."--Publisher's Weekly.