Traitor at Whitehall

In 1939 London, Maggie Hope, a brilliant mathematician, finds herself drawn into the dangerous world of espionage when she uncovers a potential traitor within the British government. As World War II looms, Maggie must navigate a web of secrets and lies to expose the enemy before it's too late. Her investigation leads her through the highest echelons of power, where trust is a luxury and betrayal lurks in every shadow.