Leo Defford doesn't believe in ghosts. But as the head of an independent production company, he does believe in high-impact TV. Defford hires journalist Grayle Underhill to research the history of Knap Hall, a one-time Tudor farmhouse that became the ultimate luxury guest house...until tragedy put it back on the market. Its recent history isn't conducive to a quick sale, but Defford isn't interested in keeping Knap Hall for longer than it takes to make a reality TV show that will run night after night....

When you do a good job for someone, there’s a strong chance they’ll offer you more work or recommend you elsewhere. So Daniel Mackmain isn’t particularly surprised when his boss’ architect brother asks for his help on a historic house renovation in the Cotswolds. Except Dan’s a dryad’s son, and he soon realises there’s a whole lot more going on. Ancient malice is stirring, and it has made an alliance in the modern world. The Green Man expects Dan to put an end to this threat. Seeing the danger, Dan’s forced to agree.

Halloween in Essex, and things are going well for the writers on the Mystery and Suspense course at Ratchette Hall. Things, however, take a turn when early on All Saints' Day the course administrator is discovered murdered. The Essex Witch Museum investigators are quickly drafted in. As Rosie Strange and Sam Stone's investigation progresses they find more questions than answers: who is making the howling noises late into the night? What is the strange glimmering glimpsed in the woods?

Ellie Blake is recovering from a nervous breakdown. Deciding to move back to her northern roots, she and her psychiatrist husband buy Tanners Dell at auction - an old water mill in the moorland village of Bridesmoor. However, there is disquiet in the village. Tanners Dell has a terrible secret, one so well guarded no one speaks its name. But in her search for meaning, Ellie is drawn to traditional witchcraft and determined to pursue it.

Edinburgh student Rose MacLeod has been losing time for as long as she can remember. Days and weeks disappear, leaving terrifying gaps in her memory. Now she is seeing horrifying visions - waking nightmares of violence and death. Around the world young women like her are being killed, and Rose has a ringside seat. Mal Fergusson was raised to hunt demons across Scotland. With his father dead and his brother in a coma, he no longer believes in the grand battle between good and evil. Instead, he scrapes a living as an investigator and hit man for the supernatural Mafia of Edinburgh. 

Lifestyle journalist Katrine escaped past traumas by moving to a coast renowned for seaside holidays and natural beauty. But when a vast hoard of human remains and prehistoric artifacts is discovered in nearby Brickburgh, a hideous shadow engulfs her life. Helene, a disillusioned lone parent, lost her brother, Lincoln, six years ago. Disturbing subterranean noises he recorded prior to vanishing, draw her to Brickburgh's caves. A site where early humans butchered each other across 60,000 years. Upon the walls, images of their nameless gods remain.

Ruthie Gillespie's efforts to find out the truth about a mysterious missing rock star lead her on a terrifying journey into the past. Researcher Ruthie Gillespie has undertaken a commission to write an essay on Martin Mear, lead singer and guitarist with Ghost Legion, the biggest, most decadent rock band on the planet, before he disappeared without trace in 1975. Her mission is to separate man from myth - but it's proving difficult, as a series of increasingly disturbing and macabre incidents threatens to derail Ruthie's efforts to uncover the truth about the mysterious rock star. 

DS Wesley Peterson, newly arrived in the West Country town of Tradmouth, has his hands full when a child goes missing and a young woman is brutally murdered on a lonely cliff path. Then his old friend, archaeologist Neil Watson, unearths the skeletons of a strangled woman and a newborn baby in the cellar of an ancient merchant's house nearby. As the investigation continues, Wesley begins to suspect that these deaths, centuries apart, may be linked by age-old motives of jealousy, a sexual obsession and desperate longing.

Strangefields Farm is notorious for its sinister history ever since serial killer Jackson Temples lured young women to the premises, and the girls never left alive. Now, decades later, Strangefields is being transformed into a holiday village, but the developer's hopes of its dark past being forgotten are ruined when a skull is found on the site. Police suspect it belongs to one of Temples' victims, and when a local florist is found murdered in an echo of Temples' crimes, DI Wesley Peterson fears a copycat killer could be at large.

The elite warriors of the Hereford-based SAS know all about pain and the enduring of it. Syd Spicer, ex-SAS trooper, has found himself back in the regiment - this time as its chaplain, responsible for the spiritual welfare of the hardest men in or out of uniform. Faced with a case which would normally be passed discreetly to Hereford diocesan exorcist Merrily Watkins, Spicer is forced, for security reasons, to try and handle it himself - and is coming close to a breakdown.

Lydia has always known she has no power, especially next to her infamous and more-than-slightly dodgy family. Which is why she carved her own life as a private investigator far away from London. When a professional snafu forces her home, the head of the family calls in a favour, and Lydia finds herself investigating the disappearance of her cousin, Maddie. 

'I believe, from what I can hear, that either my daughter or my wife has just been attacked. I don't know the outcome. The house is silent.' Fourteen years ago two teenage lovers were brutally murdered in a patch of remote woodland. The prime suspect confessed to the crimes and was imprisoned. Now, one family is still trying to put the memory of the killings behind them. But at their isolated hilltop house... the nightmare is about to return.

In the pitch dark, nine feet under water, police diver Flea Marley closes her gloved fingers around a human hand.

A hundred years ago, a man with a secret could travel a few hundred miles and give himself a new name and life story. No one would be any the wiser, as long as he didn’t give anyone a reason to start asking questions. These days, that’s not so easy, with everyone on social media and CCTV on every street corner. So Daniel Mackmain keeps his head down and keeps himself to himself. But now a girl has been murdered, and the Derbyshire police are taking a closer look at a loner who travels from place to place, picking up work as he goes. 

A dead man walks into a police station. He tells a tale - bizarre as it is grotesque - of kidnap and organ harvesting. John Baden's story of being held prisoner for 12 years sounds far-fetched - but it's all about to get much, much stranger. DI Ben Westphall has been given the case because of his background in MI6. He also has a knack for getting inside people's heads and seeing things others would miss. Westphall is no ordinary detective, and this is no ordinary case.