"June 1925. Audacious Appalachian flapper Geneva “Gin” Kelly prepares to trade her high-flying ways for respectable marriage to Oliver Anson Marshall, a steadfast Prohibition agent who happens to hail from one of New York’s most distinguished families. But just as wedding bells chime, the head of the notorious East Coast rum-running racket—and Anson’s mortal enemy—turns up murdered at a society funeral, and their short-lived honeymoon...