Legend says the Sinclairs' heightened senses are a result of a long ago pact between them and the powerful Raven family. To honor and protect is their creed, but the current Duke of Raven doesn’t make their task easy. Arrogant and aloof, James, Duke of Raven, is determined to forge his own path, and to hell with folk tales that his ancestors created. But when the breathtaking Eden Sinclair saves his life by risking her own, their past resurfaces, and with it comes the uncomfortable realization that they are linked by more than history.

Lord Devonshire Sinclair understands his family’s heightened senses are a result of a long-ago pact between the Sinclairs and the powerful Raven family. "To honor and protect" is their creed. He has also accepted that no woman could live at his side and understand what he is capable of…until now. Miss Lilliana Braithwaite has always appeared a woman of little sense, with a tendency to dress like a colorblind field mouse. Dev had, for two years, ignored her, until one night he finds her on the streets of London, attempting to rescue a child, and thereby hurling herself into danger.

Essex Sinclair understands her family’s heightened senses are a result of a long-ago pact between the Sinclairs and the powerful Raven family, but has always struggled to feel worthy of bearing the legendary Sinclair name. Unlucky in love, Essie has resolved to live a quiet, solitary life as a healer and leave passion to the young and foolish. When Max Huntington falls into her herb garden, a bullet hole in his side, her only intention is to heal him quickly and send him on his way. Then she touches him, and from that moment on, fate steps in with dangerous consequences for both.

Cam has been intrigued by the mysterious Miss Emily Tolly for years, even though theirs is a turbulent relationship. With her family she’s shy and timid, but with him, she’s anything but. He knows this kitten has claws beneath the quiet exterior and is sure she is hiding a secret. When she is compromised, he steps in to offer marriage to save their families from disgrace. What he doesn’t count on is the closer he and Emily get, the stronger their passion burns, and Cam finds himself wanting not just her body, but her heart too.

Wounded war hero Captain Wolf Sinclair has recovered physically from the hell he endured fighting for his country, but in his head, he still exists in the dark. Living among a big, boisterous family allows him somewhere to hide, until the day Rose Abernethy storms into his life. She challenges him, makes him feel again. Soon he’s addicted to her touch, and her kisses have him wanting more. But danger stalks her, and Wolf realizes he must keep her safe because in Rose he’s found someone to bring him into the light.

With his demons well and truly leashed, reformed gambler, Lord Nicholas Braithwaite is tasked with finding a missing baby. Needing help, it comes in the form of the woman from his visions. His preternatural gift has caused nothing but pain until now, so it’s a shock when his night-time angel is living and breathing. As determined and opinionated as she is beautiful, Alice Sinclair soon demands something from him he never thought he was capable of giving. The passionate innocent soon masters his heart and Nicholas must face the biggest gamble of his life: risking love or losing her forever.