Infamous for his wild, sensual needs, Lazarus Huntington, Lord Caire, is searching for a savage killer in St. Giles, London's most notorious slum. Widowed Temperance Dews knows St. Giles like the back of her hand-she's spent a lifetime caring for its inhabitants at the foundling home her family established. Now that home is at risk.....

Freya de Moray is many things: A member of the secret order of Wise Women, the daughter of disgraced nobility, and a chaperone living under an assumed name. What she is not is forgiving. So when the duke of Harlowe, the man who destroyed her brother and led to the downfall of her family, appears at the country house party she's attending, she does what any Wise Woman would do: She starts planning her revenge.

Since his return from war, the Duke of Ashbury's to-do list has been short and anything but sweet: brooding, glowering, menacing London ne'er-do-wells by night. Now there's a new item on the list. He needs an heir - which means he needs a wife. When Emma Gladstone, a vicar's daughter turned seamstress, appears in his library wearing a wedding gown, he decides on the spot that she'll do.

Reckless beauty Lily Lawson delights in shocking London society. She will break any rule to get what she wants...and she is determined to stop her younger sister from marrying Alex, Lord Wolverton, a handsome and arrogant earl who has vowed never to fall in love.

Miss Mary Whitsun is far too intelligent to fall for the rakish charms of a handsome aristocrat. But when the gentleman in question approaches her in a bookshop, mistaking her for his fiancée, Lady Johanna Albright, the flirtatious encounter only raises more questions. Could Mary, a servant raised in a St Giles orphanage, actually be Lady Joanna's long-lost twin sister? If so, Mary has been betrothed since birth - to the rakishly handsome aristocrat himself....