On a cold November night in a Deptford yard, dock worker Harry Parker stumbles upon the body of a dead woman. Inspector Ben Ross is summoned from Scotland Yard to this insalubrious part of town, but no witness to the murder of this well-dressed, middle-aged woman can be found. Even Jeb Fisher, the local rag-and-bone man, swears he's seen nothing.

When Inspector Ben Ross is called to Newgate Prison by a man condemned to die by the hangman's noose, he isn't expecting to give any credence to the man's testimony. But the account of a murder he witnessed over 17 years ago is so utterly believable that Ben can't help wondering if what he's heard is true. It's too late to save the man's life, but it's not too late to investigate a murder that has gone undetected for all these years.

It is March 1870. London is in the grip of fog and ice. But Scotland Yard's Inspector Ben Ross has more than the weather to worry about when the body of a young woman is found in a dustbin at the back of a Piccadilly restaurant. Ben must establish who the victim is before he can find out how and why she came to be there. His enquiries lead him first to a bootmaker in Salisbury and then to a landowner in Yorkshire. 

Lizzie Martin, lady's companion, has been sent from London to the New Forest to comfort a young woman whose baby has tragically died. A sad enough task, but things take an even darker turn when a rat-catcher is found murdered, and the young woman is discovered beside the body, crying and covered in blood. Not knowing where else to turn, Lizzie calls upon her friend Inspector Ben Ross to solve the horrific crime.

London, 1867. As Inspector Ben Ross of Scotland Yard walks homeward one Saturday night, the fog that swirls around him is like a living beast. After it has lifted a woman lies murdered in Green Park. Allegra Benedict was the beautiful Italian wife of an art dealer. As Ben begins his investigation, his wife Lizzie looks into Allegra's private life and uncovers more than one reason why someone might want her dead...

Worcester, 1888. Nicholas Evelyn, the elderly cathedral librarian, has disappeared. A priceless medieval manuscript has been stolen. Its glass case smashed with a candlestick. Ravenscroft is sent from the grimy streets of Whitechapel to investigate. Aided by his trusty companion Constable Tom Crabb, Ravenscroft soon discovers that behind the cathedral’s facade lurks a dark world of death and deceit. Could the murder relate to an unsolved mystery dating back nearly 40 years? 

March 1889. Midnight. Six strangers meet for the first time outside the great door of Tewkesbury Abbey. They are searching for the tomb of the medieval crusader knight, Sir Roger de la Pole. What they find inside is unexpected and deeply shocking. They were seeking holy relics. But the body they uncover is barely cold. And Sir Roger’s ancient bones are missing. Detective Inspector Ravenscroft and Constable Tom Crabb are called on to solve the crime. They must decipher the strange coded letters on the outside of the Templar's tomb.

When the body of a young woman is discovered in the cowshed of Cricket Farm, the tranquility of the British countryside is shattered. Inspector Jess Campbell is on the case, but with few leads, a grumbling partner, and the new superintendent Ian Carter piling on the pressure, she's beginning to wonder why she chose to be a detective in the first place. 

When old Monty discovers a dead body in his drawing room, it's up to Inspector Jess Campbell to get to the bottom of the mystery. Monty is a recluse, holed up in his crumbling manor house being generally unpleasant to everyone, even those relatives he actually likes. When his family and locals claim they've never seen the murder victim before, Campbell smells a lie. With the help of Superintendent Ian Carter, she will have to dig deep into the murky past of Monty and his family, all the way to the shocking truth.

Two years ago, Miff Ferguson chose to opt out of the rat race. Since then he's been living rough and happily so. Until now. For as the first signs of winter approach, everything in his life is uprooted. While looking for shelter, Miff stumbles across the corpse of a young woman in a dilapidated warehouse. Quickly realizing he is not alone, and has been spotted, Miff becomes embroiled in a game of cat-and-mouse with a killer that forces him to abandon his life and take refuge with his aunt and uncle in the village of Weston St. Ambrose.