After the National Crime Agency cracks a major drug gang, junior barrister Julia McGann finds herself defending the violent enforcer Terrence Bonner. This high-profile case is a coup for her, but almost immediately things start to go wrong. Intruders break into her house, and then a young girl turns up at her door with a horrifying story to tell. Three months later, DCI Craig Gillard and his team struggle with the shocking murder of a much-respected local headmaster, found dead in his own car. The baffling crime fills the newspapers but yields few clues.

Late on midsummer's night there is a splash in the river Thames. A body is found on an island, asphyxiated and laced with strange markings. For DCI Craig Gillard it's a baffling case. The victim's identity is elusive, clues are scarce and every witness has something to hide. Meanwhile one of Britain's deadliest serial killers is finally up for parole after a deal to reveal the location of two missing bodies. The felon has his own plans to get even with witnesses, accusers and the officer who caught him 30 years before. And who was that? A young trainee by the name of Gillard.

DCI Craig Gillard will be pushed to his limits. But will he break? It seems like a routine disappearance, a case of musician’s stage fright. As a senior detective, Craig Gillard isn’t sure why he’s even involved. Until it turns out the woman’s father is the German minister of justice, and the British home secretary is on the case, too. But nothing about the case is simple. How does a woman on a train simply vanish? What do you do when a trail runs cold and the pressure is on? Before long the perpetrator has another target: DCI Gillard himself.

A young detective is out for a jog on a snowy winter morning. Then she sees something terrible: a murder in the park, sudden and inexplicable. A woman has been killed by a passing hooded cyclist. It’s just DCI Craig Gillard’s luck that he’s on duty. The body is that of Tanvi Roy, one of the richest women in Britain and matriarch of a food empire. With a tangled web of family and business contacts and jealousies, Gillard’s job just got even more complex. As he delves deeper into the Roy family, it’s clear that everything is not as it seems.

A body is found on a quiet lane in Exmoor, victim of a hit and run. He has no ID, no wallet, no phone, and - after being dragged along the road - no recognisable face. Meanwhile, fresh from his last case, DCI Craig Gillard is unexpectedly called away to Devon on family business. Gillard is soon embroiled when the car in question is traced to his aunt. As he delves deeper, a dark mystery reveals itself, haunted by family secrets, with repercussions Gillard could never have imagined. The past has never been deadlier.

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.

On the tree-lined banks of Surrey’s River Wey, a decaying corpse is dug up by workmen in the middle of an Anglo-Saxon burial site. His modern dental fillings show that this is no Dark Age corpse. DCI Craig Gillard is called in, but the body’s condition makes identification difficult. One man, however, seems to fit the bill: Ozzy Blanchard, a contractor employed by the same water firm doing the digging who disappeared six months ago. But then an X-ray of the corpse throws the investigation into turmoil. The deeper Gillard digs, the more shocking truths he will uncover.

Jonathan Hale is terrified. The wealthy property lawyer and money launderer is back home in Surrey after a nightmare experience in a U.S. jail. The police have him under secret surveillance. But Hales's fears lie elsewhere. His plea bargain has earned him the enmity of The Reptile, a notoriously cold-hearted gangster, now confined for life in a maximum-security jail in Arizona thanks to Hale. He's taken precautions, moved house, hidden his identity and installed security for his wife and family. But still… what if The Reptile escapes?

One moonlit night, the bodies of two young people are discovered lying entwined on a blanket in the woods. The young man is clutching a red rose. It appears to be a lovers' suicide pact.... Until Detective Nikki Galena and DS Joseph Easter look more closely. Romeo and Juliet, as they decide to call them, were murdered somewhere else and brought to the woods. But why? Then another young couple are found dead, again beautifully posed as lovers. 

An old friend's sister disappears without a trace. There's no sign of foul play, but she'd been acting very peculiarly. Meanwhile, Liz's cousin, Christie, comes to stay. She takes an immediate - and uncharacteristic - dislike to the local bookshop owner, Gina. Why does everyone put up with her awful behavior? Christie is convinced that Gina is manipulating everyone around her. Is she onto something dangerous or just pushing her new friends away? No one believes her suspicions until another friend goes missing late at night on the misty Fen marshes.

A body is discovered deep in a cave beneath the Yorkshire Dales. Leading the investigation into the mysterious death are experienced DCI Jim Oldroyd and his partner DS Carter, a newcomer from London. The deceased is Dave Atkins, well known throughout the village but not well liked. While there is no shortage of suspects, the details of the crime leave Oldroyd and Carter stumped. 

As a massive storm batters the Scottish coast, Gordon Smith’s home is falling into the sea. The trouble is: that’s where he’s been hiding the bodies. It’s too dangerous to go near the place, so there’s no way of knowing how many people he’s murdered. Or how many more he’ll kill before he’s caught. As more horrors are discovered, ex-detective Ash Henderson is done playing nice. He’s got a killer to catch, and God help anyone who gets in his way. 

DCI Oldroyd has seen his fair share of victims, but he has never witnessed a murder - until now. When world-famous violinist Hans Muller is shot and killed during a concert, the detective is faced with a case beyond logic. The culprit is nowhere to be found - and the victim’s priceless violin has disappeared too. As Oldroyd investigates the murderer’s identity and the motive for the killing, he enters the ruthless world of wealthy instrument collectors and stumbles upon a dark path where shocking secrets have been buried in the past. But the secrets will soon take centre stage.

When the body of a teenager is discovered near Eilean Donan Castle several months after she disappeared, DCI Jack Logan and his team journey across the Highlands to investigate. As they start to unpick the young woman’s life, the secrets and lies they expose soon threaten to tear the small rural community apart. But when a second girl goes missing in similar circumstances, it isn’t just a murder investigation that Jack finds himself running. It’s a race against time.

After a violent home invasion in the remote wilds of Glen Coe leaves a family of four dead, DCI Jack Logan and his team are brought in to lead the manhunt. But, when one of the victims is revealed to be one half of legendary 1980s Glasgow-based comedy double act, Neeps & Tatties, Logan is forced to leave the Highlands and head back to his old stomping ground.