Trying to escape her past, Millie Calloway accepts a job as a live-in housemaid for the wealthy Nina and Andrew Winchester. But what begins as a dream job quickly unravels into something far more dangerous—a sexy, seductive game of secrets, scandal, and power.

Salt-of-the-earth Cole falls head over heels for enigmatic Sadie—but then makes the shocking discovery that she's a secret agent. Before they can decide on a second date, Cole and Sadie are swept away on an international adventure to save the world.