In financial straits and on a sure path to spinsterhood, Venetia Milton thought her stay at the remote, ramshackle Arcane House, far from society's prying eyes, would be a once-in-a-lifetime opportunity to engineer her own ravishment. She was there to photograph the relics and artifacts collected by a highly secretive organization, founded two centuries earlier by an eccentric alchemist.

After seeing her maybe-mobster boss murder a guy, Delaney James assumes a new identity and pretends to be a mail order bride. She finds her groom-to-be living in a town that celebrates Halloween every day. Weird. But not as weird as what she doesn't know. Her groom-to-be is a 400-year-old vampire.

Novelist and professional companion Evangeline Ames has rented a cottage in the outskirts of Little Dixby, far from the London streets where she was recently attacked. Fascinated by the paranormal energy of nearby Crystal Gardens, she finds some pleasurable diversion in sneaking past the wall to explore the grounds. And when her life is threatened again, she instinctively goes to the gardens for safety. Lucas Sebastian has never been one to ignore a lady in danger, even if she is trespassing on his property.

Sophie Appersett is quite willing to marry outside of her class to ensure the survival of her family. But the darkly handsome Mr. Edward Sharpe is no run-of-the-mill London merchant. He's grim and silent. A man of little emotion - or perhaps no emotion at all. After two months of courtship, she's ready to put an end to things. But severing ties with her taciturn suitor isn't as straightforward as Sophie envisioned.

Lady Emily Hardcastle is an eccentric widow with a secret past. Florence Armstrong, her maid and confidante, is an expert in martial arts. The year is 1908 and they've just moved from London to the country, hoping for a quiet life. But it is not long before Lady Hardcastle is forced out of her self-imposed retirement. There's a dead body in the woods, and the police are on the wrong scent. Lady Hardcastle makes some enquiries of her own, and it seems she knows a surprising amount about crime investigation...