When a Cambridge student dramatically attempts to take her own life, DI Mark Joesbury realizes that the university has developed an unhealthy record of young people committing suicide in extraordinary ways. Against huge personal misgivings, Joesbury sends young policewoman DC Lacey Flint to Cambridge, with a brief to work undercover, posing as a depression-prone, vulnerable student. Psychiatrist Evi Oliver is the only person in Cambridge who knows who Lacey really is - or so they both hope.

Admittedly, it wasn't murder. A moment's carelessness, a tragic accident - and two children are dead. Yours. Living in a small island community, you can't escape the woman who destroyed your life. Each chance encounter is an agonizing reminder of what you've lost - your family, your future, your sanity. How long before revenge becomes irresistible? With no reason to go on living, why shouldn't you turn your darkest thoughts into deeds?

Just before dawn in the hills near the Scottish border, a man murders a young woman. At the same time, a hot-air balloon crashes out of the sky. There's just one survivor. She's seen the killer's face - but he's also seen hers. And he won't rest until he's eliminated the only witness to his crime. Alone, scared, trusting no one, she's running to where she feels safe - but it could be the most dangerous place of all....

A golden summer, and six talented friends are looking forward to the brightest of futures - until a daredevil game goes horribly wrong and a woman and two children are killed. Eighteen-year-old Megan takes the blame, leaving the others free to get on with their lives. In return, they each agree to a 'favour', payable on her release from prison. Twenty years later Megan is free. Let the games begin.

When a teenage girl is found dead in the woods, her body posed like an angel, Stockholm holds its breath. The kill bears a chilling resemblance to those of the Angel Maker, a serial killer caught two decades ago.... One who just died in prison. Detective Inspector Jamie Johansson is taking some much-needed time away from the London Met when the call comes in. Her father, one of Stockholm's most notorious detectives, caught the Angel Maker when she was just a girl, and Jamie has long since closed the door to that part of her life. 

NOW YOU SEE HER.... Gillian is haunted by the disappearance of her little girl two years ago. A devastating fire burned down their home, but she remains convinced her daughter survived. NOW YOU DON’T... Ten-year-old Tom lives by the town’s neglected churchyard. Is he the only one who sees the strange, solitary child playing there? And what is she trying to tell him?

Famous killers have fan clubs. Hamish Wolfe is no different. Locked up for the rest of his life for the abduction and murder of three young women, he gets countless adoring letters every day. He's handsome, charismatic and very persuasive. His admirers are convinced he's innocent and that he's the man of their dreams. Who would join such a club?

Moving to remote Shetland has been unsettling enough for consultant surgeon Tora Hamilton; even before the gruesome discovery she makes one rain-drenched afternoon...Deep in the peat soil of her field she is shocked to find the perfectly preserved body of a young woman, a gaping hole where her heart has been brutally removed and three rune marks etched into her skin.

How did it all begin? I suppose it would be the day I rescued a new-born baby from a poisonous snake, heard the news of my mother’s death and encountered my first ghost... Veterinary surgeon Clara Benning is young and intelligent, but practically a recluse. Disfigured by a childhood accident, she lives alone and shies away from human contact wherever possible.

A year ago Felicity Lloyd fled England to South Georgia, one of the most remote islands in the world, escaping her past and the man she once loved. Can she keep running her whole life? Freddie Lloyd has served time for murder - and now he wants her back. Wherever she is, he won't stop until he finds her. Will he be able to track her to the ends of the earth?

A dark moon is rising. A perfect black circle, barely visible in the night sky, the dark moon casts its void over the wind-scorched moor, over the soaring mass of a great limestone hill, and over the town that cowers in its shadow. The dark moon is the absence of moon before the slender silver crescent of the new moon appears again and people can breathe a little easier. The month is March, and the night is clear and cold, black as pitch.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

Women are rarely cold-blooded killers. But when famous philanthropist Hugo Fletcher is found dead, there is no doubt in anybody's mind that the killer is a woman. And it is clear from the precision of the planning that this was no crime of passion. It was an execution. The victim was revered the world over for his charitable work with trafficked Eastern European prostitutes, and as at least one of these girls is missing, Detective Chief Inspector Tom Douglas is certain that there has to be a connection.

Zoe didn't meet her daughter the way most mothers do. She finds five-year-old Maddie alone and dirty on a countryside road. Frightened for Maddie's safety, she picks her up and takes her back to her father, not knowing what she's about to step into. Because Maddie wasn't just lost; she was there to lure her serial killer dad's new victim. After escaping from the clutches of Maddie's dangerous father, she bonds with the little girl. Only Maddie knows what it was like to be at that house. And when no family members come forward to claim Maddie, Zoe decides to adopt her. 

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.