Infernal Devices — Abigail Barnette

The Two Aces. Victorian London's most salacious secret, the club is a place where erotic fantasies are played out among clockwork automatons and aether powered machines. Where nothing is off limits and the pleasures are as wicked as the imagination will allow...

Permilia Deering goes to The Two Aces looking for the sexual excitement that she knows she will not find with the man to whom she is affianced, notorious cold-fish Wallace Sterling. On her first visit to the club, she meets the Ace of Spades, a masked stranger who drives her to heights of passion she's never dreamed possible -- and makes her seriously reconsider becoming a mannerly society wife.

When Wallace Sterling first glimpses his fiancée standing outside The Two Aces, he assumes she's uncovered his secret identity -- the Ace of Spades. But Permilia has no idea that her intended is living a double life, and Wallace worries that he'll be out of the picture once she gets a taste of what the Ace of Spades can offer her...