In Edwardian London, not all that glitters is gold as a lady and an intelligence officer's secret mission take them from the city's dazzling ballrooms to its covert intelligence offices. Sir Merritt Livingstone has spent a decade serving the monarch in the field, but when pneumonia lands him behind a desk in the War Office Intelligence Division just as they're creating a new secret intelligence branch, he's intent on showing his worth. He suspects an aristocrat of leaking information to Germany as tensions mount between the two countries, but he needs someone to help him prove it, so he...