The Spy Is Cast — Diane Henders

When a clandestine government agency recruits middle-aged bookkeeper Aydan Kelly, she overcomes her fear and agrees to go undercover at a lavish gala affair. But the glamour of the mission fades fast when she finds herself astride a motorcycle, assigned to an all-male surveillance team. Aydan discovers spies are using classified technology to torture information from their captives. Worse, they know she's breached their security. Now she has to prevent them from revealing her true identity, while avoiding capture by the vicious criminals who won't hesitate to torture her, too. - Spicy suspense served hard-boiled -