Two hundred years ago a loyalist family fled to England to escape the American War of Independence and seemingly vanished into thin air. American genealogist Jefferson Tayte is hired to find out what happened, but it soon becomes apparent that a calculated killer is out to stop him.

When Detective Clayton Tyler is tasked with reviewing the formidable archives of unsolved homicides in his police department’s vaults, he settles on one particular cold case from the 1980s: the Chester Creek Murders. Three young women were brutally murdered - their bodies dumped in Chester Creek, Delaware County - by a serial killer who has confounded a slew of detectives and evaded capture for over 38 years.

The job presented to forensic genealogist, Morton Farrier, ought to have been simple and easy. But the surprise discovery of an additional marriage to his client’s father leads Morton on an enquiry, revolving around a mysterious death in the county asylum. Requiring his various investigative genealogical skills, Morton must work to unravel this complex 80-year-old secret and finally reveal the truth to his client.

On Christmas Eve, DCI Mackenzie Jones is called to a shooting at a remote farmhouse. Ralph Mallender believes his father lies dead inside. When three more bodies are discovered, it's clear a festive family gathering has turned into a gruesome tragedy. At first it seems like an open and shut case: a murder suicide committed by Ralph's volatile brother Cameron. Then new evidence makes Mack suspect the man who reported the crime is in fact the perpetrator. But Mack isn't the only one with a stake in the case.

July 8, 1921. Ireland. A British Officer is shot dead on a remote hillside south of Dublin. November 22, 2015. United Kingdom. Former police detective Jayne Sinclair, now working as a genealogical investigator, receives a phone call from an adopted American billionaire asking her to discover the identity of his real father. How are the two events linked? Jayne Sinclair has only three clues to help her: a photocopied birth certificate, a stolen book, and an old photograph.

Ian Rutledge returns to his career at Scotland Yard after years fighting in the First World War. Unknown to his colleagues he is still suffering from shell shock, and is burdened with the guilt of having had executed a young soldier on the battlefield for refusing to fight. A jealous colleague has learned of his secret and has managed to have Rutledge assigned to a difficult case which could spell disaster for Rutledge whatever the outcome. A retired officer has been murdered, and Rutledge goes to investigate.

Adelaide Hills, Christmas Eve, 1959. At the end of a scorching hot day, a local deliveryman makes a terrible discovery. A police investigation is called, and the small town of Tambilla becomes embroiled in one of the most shocking and perplexing murder cases in the history of South Australia. Many years later and thousands of miles away, Jess is a journalist in search of a story. Having lived and worked in London for nearly two decades, she now finds herself laid off from her full-time job and struggling to make ends meet. Until a phone call out of nowhere summons her back to Sydney.

At the end of her first unsuccessful season out in society, Lady Georgiana has all but given up on attracting a suitable man - until she receives an invitation to a masked Halloween ball at Broxley Manor. Georgie is uncertain why she was invited, until she learns that the royal family intends to marry her off to a foreign prince, one reputed to be mad.

A 14-year-old boy disappears from his home without a trace - almost forever. Ninety years later, a series of chance DNA matches reveals what became of him. John had to grow up quickly - changing his identity, earning a living, and navigating love, friendship, and death during some of the toughest times in American history. With nothing more than an eighth-grade education, his journey takes us through Prohibition, the Great Depression, the Dust Bowl, the gold mines of Colorado, and the Second World War to eventually become a success in his own right.

Edinburgh, 1911: When Maud McIntyre and her lady’s maid, Daisy, form a detective agency, they never dream their first case will take place at a glamorous house in the Scottish Highlands. But when the duchess of Duddingston, concerned that a notorious jewelry thief will target her lavish weekend party, employs Maud to go undercover as a guest to find the culprit, the agency has its first case to solve....

Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

The story opens with the apparently accidental drowning of a sixth form student in the Norfolk countryside. As a matter of routine, or so it seems, the case passes across the desk of Detective Sergeant Smith, recently returned to work after an internal investigation into another case that has led to tensions between officers at Kings Lake police headquarters. As an ex-DCI, Smith could have retired by now, and it is clear that some of his superiors wish that he would do so.

The year is 1920: Flying in the face of convention, legendary American adventuress Beryl Helliwell never fails to surprise and shock. The last thing her adoring public would expect is that she craves some peace and quiet. The humdrum hamlet of Walmsley Parva in the English countryside seems just the ticket. And, honestly, until America comes to its senses and repeals Prohibition, Beryl has no intention of returning stateside and subjecting herself to bathtub gin.

Every town needs a hero, and Detective Cal Farrell fits the bill. He stopped an active shooter six months earlier, and now he’s become the darling of the Alexandria press. The problem is that Cal remembers nothing from that day. He’s working with a psychiatrist to recover his memories, but hasn’t had much luck. Then, on one of his morning runs, he is once again the first on scene for a grisly discovery—a body hanging impossibly high on a tree. Soon there’s another victim, killed by a blade and dumped in a ravine.

England, 1959: Laurel Nicolson is 16 years old, dreaming alone in her childhood tree house during a family celebration at their home, Green Acres Farm. She spies a stranger coming up the long road to the farm and then observes her mother, Dorothy, speaking to him. And then she witnesses a crime.