A dog walker finds a human bone on lonely Salisbury Plain. DCI Mackenzie Jones investigates the grisly discovery but cannot explain how it ended up there. She contacts disgraced ex-detective Atticus Priest and the two of them trace the bone to a graveyard in the nearby village of Imber. But the village was abandoned after it was purchased by the Ministry of Defence to train the army, so why have bodies been buried in the graveyard since the church was closed?

1969. Eloise Shepherd, one of MI6’s brightest rising stars, is working undercover in Soviet Russia as Magdalina Novikova. Her mission is to persuade nuclear physicist Stanislav Kalashnik to defect and bring his knowledge of Russian weapons back to the UK. On the verge of success, the operation fails suddenly and spectacularly. Seventeen years later, Kalashnik is chief engineer at the power plant near Pripyat known as Chernobyl. His concerns for the safety of the plant are growing. 

An Underground carriage in London is destroyed by a suicide bomber. The injured and the dead litter the platform. But as a crowd forms at street level, Michael Pope knows that this is only the beginning. Pope, head of top-secret Group 15, is tasked with finding the perpetrators of this atrocity and bringing them to justice, any way he can. He knows that the answers to many of his questions will lie at the end of the money trail, but he also knows that whoever funded and organized the attack will kill again for their freedom.

They gunned down her husband and kidnapped her daughter, and now the debt needs to be repaid. It's a blood feud she didn't start but is going to finish. Beatrix has already crossed one name off her Kill List. Her second target is a mercenary being held hostage by Somali terrorists. Can she infiltrate the most dangerous failed state on the planet and scrub him off the List, too?

Bjorn Thorsson joined the Special Air Service to forget the horrors of his childhood. He killed for Queen and country, and he was good at it. He quits the army and settles down, looking for a quieter life. When his beautiful sister, Gudrun, finds herself in trouble with the owner of a hedge fund, Bjorn promises to get her out of danger. But there’s another factor in play. Group 15, a clandestine government agency, has plans for the financier, and Bjorn is in their way. Bjorn must outwit the Group in the streets of London and in the Highlands of Scotland if he is to protect his sister and survive.

Was it suicide… or murder? When teenager Nick Buckingham tumbles from the fifth floor of an apartment block, Detective Sergeant Solomon Gray answers the call with a sick feeling in his stomach. The victim was just a kid, sixteen years old. And the exact age the detective's son, Tom, would've been, had he not gone missing at a funfair ten years ago. Each case involving children haunts Gray with the reminder that his son may still be out there - or worse, dead.

After a police operation ends in catastrophe, Eve West is suspended. She faces expulsion from the force until John Duran - a criminal Eve incarcerated herself - offers his help. But he wants something in return. Convinced there has been a miscarriage of justice, Duran wants Eve to free a fellow inmate convicted of the murder. But why is a brute like Duran assisting this other inmate? And why has he specifically chosen Eve to investigate?

One freezing December night, the body of young, vulnerable Lizzie Barnsley is found on the side of an isolated canal. When blood from her stiletto heel matches that on a wound on the head of Peter Box, police swiftly declare him the prime suspect in her murder. Criminal lawyer Dan Grant is called in to provide Peter Box’s legal defense, along with investigator Jayne Brett. They need answers from Box - but he’s not talking. 

Former soldier. Ex-copper. Current man on the edge. Shunned by his old colleagues, and dividing his time between a dead-end job and the bottom of a whisky bottle, former Police Scotland detective superintendent Bob Hoon’s life is a mess. Then an old face from Hoon’s Special Forces days turns up asking for help: His teenage daughter has been missing for months, the police have drawn a blank, and he needs the kind of help that only Hoon can provide. And besides, Hoon owes him one.

Court Gentry is known as The Gray Man - a legend in the covert realm, moving silently from job to job, accomplishing the impossible, and then fading away. And he always hits his target. But there are forces more lethal than Gentry in the world. And in their eyes, Gentry has just outlived his usefulness. Now, he is going to prove that for him, there's no gray area between killing for a living-and killing to stay alive.

A family is gunned down in the snow, but one of the children survives. Three years on, that child takes revenge, and the Snow Killer is born. But then, nothing - no further crimes are committed, and the case goes cold. 50 years later, has the urge to kill been reawakened? As murder follows murder, the detective team tasked with solving the crimes struggle with the lack of leads. It’s a race against time and the weather - each time it snows, another person dies.

Tom Novak is a troubled soul with a dark and bloody past. A former refugee, Royal Marine and member of the elite Special Reconnaissance Regiment, he now finds himself struggling with the deadening routine of day-to-day policing. When he is deployed undercover to infiltrate a gang of people traffickers, things go badly wrong. Faced with an impossible choice, his cover is blown, and he finds himself on the run from the Serbian mafia and even his fellow police colleagues. 

Criminologist Martin Knight lives a gilded life and is a thorn in the side of the police. But then his wife, Liz, goes missing. There is no good explanation and no sign of Martin.... To make things worse, Liz is the ex-girlfriend of DCI Craig Gillard who is drawn into the investigation. Is it just a missing person or something worse? And what relevance do the events around the shocking Girl F case, so taken up by Knight, have to do with the present? The truth is darker than you could ever have imagined.

The head of Scotland’s most powerful crime family is brutally murdered, his body dumped inside an ancient grave in a remote cemetery. DS Max Craigie and DC Janie Calder arrive at the scene, a small town where everyone has secrets to hide. They soon realise this murder is part of a blood feud between two Scottish families that stretches back to the 1800s. One thing’s for certain: it might be the latest killing, but it won’t be the last.

 A woman is slaughtered in vicious attack, and left in an abandoned building, handcuffed to a chair. Invited by a former colleague to join a new team in the South of England, DCI Jon Pilgrim takes on the case of the murdered young woman. Partnered with the captivating DS Kate O’Connell, they hunt for the killer. Jon must deal with gang bosses, jealous partners, and come to terms with his own tragic past to find the killer before the death toll rises. But as things escalate, Jon fears the past is about to repeat itself, and tear him apart.