A new OSS adventure finds the agents of Wild Bill Donovan fighting the Battle of the Atlantic on two fronts, a situation that is compromised by a possible saboteur.

May, 1941. At four in the morning, a rust-streaked tramp freighter streams up the Tagus River to dock at the port of Lisbon. She is the Santa Rosa; she flies the flag of neutral Spain and is in Lisbon to load cork oak, tinned sardines, and drums of cooking oil bound for the Baltic port of Malmo. Only she is not the Santa Rosa, she is the Noordendam, a Dutch freighter that sails for the Intelligence Division of the British Royal Navy...

Following an assassination attempt that wounds the president and kills the president's closest friend, General Andy Banks, the Secretary of Homeland Security, who had warned the Secret Service about the attack, initiates an investigation.

A novel of Mata Hari's final days, as written by the woman herself while accused of espionage --

"Twenty-five years after the end of the war, aging British secret operative Noah Ainsworth often thinks about the undercover SOE agent who saved his life when a mission went wrong during his perilous, exhilarating time in occupied France. A head injury sustained on his final operation has caused frustrating gaps in his memories, including information about the agent's identity and whether she even survived the war. Noah's daughter Charlotte begins...

When British intelligence receives a recording of terrorist voices during an Afghanistan ambush in which several soldiers and a medical team were killed, Sean Dillon is put in charge of an ensuing investigation to hunt down the attack's traitorous European commander.