"The steady routine of guarding a military installation is no sooner back to normal when Lieutenant Colonel Bart Winfield, code-named Tupelo, is surprised by a visit from Mary Benson, lead agent of a task force urgently searching for two other missing nuclear weapons--as well as the ultra-secret Black Star System.
The three members of the Mather team and Bart's wife--a former OSI agent--are whisked away by helicopter to the West Coast Headquarters of the National Security Agency for a meeting with a hidden agenda and faced with a life-changing decision that involves ex-Spetsnaz smugglers and a shadowy rogue spy ring."