Prohibition is a dangerous time to be a working-class woman in New York City, but Vivian Kelly has finally found some measure of stability and freedom. By day, she’s a respectable shop assistant, delivering luxurious dresses to the city’s wealthy and elite. At night, she joins the madcap revelry of New York’s underworld, serving illegal drinks and dancing into the morning at a secretive, back-alley speakeasy known as the Nightingale. She's found, if not love, then something like it with her bootlegger sweetheart, Leo, even if she can't quite forget the allure of the Nightingale's sultry owner, Honor Huxley.

Then the husband of a wealthy client is discovered dead in his study, and Vivian was the last known person to see him alive. With the police and the press both eager to name a culprit ...

Prohibition is a dangerous time to be a working-class woman in New York City, but Vivian Kelly has finally found some measure of stability and freedom. By day, she’s a respectable shop assistant, delivering luxurious dresses to the city’s wealthy and elite. At night, she joins the madcap revelry of New York’s underworld, serving illegal drinks and dancing into the morning at a secretive, back-alley speakeasy known as the Nightingale. She's found, if not love, then something like it with her bootlegger sweetheart, Leo, even if she can't quite forget the allure of the Nightingale's sultry owner, Honor Huxley.

Then the husband of a wealthy client is discovered dead in his study, and Vivian was the last known person to see him alive. With the police and the press both eager to name a culprit ...