Hudson and Connolly Books in Order

The Hudson and Connolly series is darker and more offbeat, built around one of Valerie Keogh’s most unsettling creations, Nicola Connolly. Nicola is a competent, almost invisible nurse who also happens to be a highly organised serial killer. She moves around the UK, choosing victims carefully and killing on a strict schedule that keeps her urges under control.

Tom Hudson is a tired, sharp-eyed detective inspector based in Falmouth. When a brutal killer begins torturing victims in Bath, the case collides with Nicola’s carefully managed life. A strange, almost psychic connection develops between her and the unknown murderer, haunting her dreams and pushing her toward the police as the only way to break the link.

In Deadly Sleep, Nicola approaches Hudson with information she should not realistically have, offering help that could catch the sadistic killer while desperately trying to keep her own crimes buried. That uneasy deal, a serial killer quietly assisting a burnt-out detective, becomes the spine of the series. Their relationship is tense, wary, and at times oddly cooperative, with both characters constantly weighing how much they can afford to reveal.

The later books push this set up further. In Twisted Power, the pair are drawn into another violent investigation that tests Nicola’s ability to stay in the shadows while still feeding Hudson enough insight to move the case forward. In Bitter Business, a high-profile child abduction forces Nicola back into the spotlight, bringing her into conflict with ambitious officers who care more about their careers than the cost to the people they use.

By Wicked Secret, Nicola’s disturbing dreams have returned, hinting at fresh bloodshed and dragging her back toward Hudson and his team. Each book raises the stakes for her, narrowing the gap between the woman the police think they know and the truth about what she has done.

The tone across the series is grittier than the Dublin novels, with more time spent inside Nicola’s head as she justifies her actions and navigates ordinary life while hiding extraordinary crimes. Falmouth and the surrounding coastal landscape provide a sharp, sometimes bleak backdrop to the cat and mouse story unfolding between detective and killer.

Taken together, the four books form a complete arc that shows how a dangerous alliance forms, deepens, and threatens to collapse. Readers who like morally ambiguous protagonists, tense police work, and a strong psychological edge will find this series a compelling companion to Keogh’s Dublin Murder Mysteries.