A Time of Deception

Captain Sue Lee Ono, a code breaker for army intelligence is moving deeper into the world of espionage. Her language skills take her to Nazi-occupied Paris, her assignment is to find and help liberate a Jewish scientist.
She needs to accomplish her mission before the Gestapo with the help of the Vichy French, round up all the Jewish residents in Paris, and ship them to Auschwitz to the gas chambers.
Her handler and new lover is Alex Mueller from the Army Counter Intelligence Command.
One of the legendary Ritchie Boys who specialize in methods of intelligence, counterintelligence, and killing.