A golden summer, and six talented teenagers are looking forward to the brightest of futures—until a daredevil game goes horribly wrong, leaving three strangers dead. 18-year-old Megan takes the blame for the crime, leaving her friends 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. It is payback time. And her friends start disappearing, one by one . . .

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....

On an unassuming evening, a stranger sits down at Olive Anderson's dinner table and pretends to be her wife. But as much as the fake wife has her secrets, Olive just might have more.

He's a serial killer. A murderer of young women, all killed in brutal attacks. But despite Hamish Wolfe's conviction, he's always stuck to his story - he's innocent, and he's been wrongly imprisoned. And now he wants someone to investigate and, more importantly, to write his story. Maggie Rose is a notorious defense attorney and writer whose specialty is getting convictions overturned. At first Maggie is reluctant to even acknowledge Hamish's requests to meet, ignoring his letters. But this is a very charismatic and persuasive man, good looking and intelligent.

The remote Antarctic island of South Georgia is about to send off its last boat of the summer - which signifies safety to resident glaciologist Felicity Lloyd. Felicity lives in fear - fear that her ex-husband, Freddie, will find her, even out here. She took a job on this isolated island to hide from him, but now that he's out of prison, having served a term for murder, she knows he won’t give up until he finds her.

Twenty-three years ago, Maggie D'arcy's family received a call from the Dublin police. Her cousin Erin has been missing for several days. Maggie herself spent weeks in Ireland, trying to track Erin's movements, working beside the police. But it was to no avail: No trace of her was ever found. The experience inspired Maggie to become a cop. Now, back on Long Island, more than 20 years have passed. Maggie is a detective and a divorced mother of a teenager. When the Gardaí call to say that Erin's scarf has been found and another young woman has gone missing, Maggie returns to Ireland.

Dr. Blair Harbour, once a wealthy, respected pediatric surgeon, is now an ex-con down on her luck. She's determined to keep her nose clean and win back custody of her son. But when her former cellmate begs for help to find her missing daughter, Blair is compelled to put her new-found freedom on the line. Detective Jessica Sanchez has always had a difficult relationship with the LAPD. And her inheritance of a multi-million dollar mansion as a reward for catching a killer has just made her police enemy number one.

When Jodie Wolfe, a 16-year-old girl with facial deformities, accuses four boys in her class of an unthinkable crime, the community is torn apart. After all, these four teenage defendants are from hard-working immigrant families and they all have proven alibis. Even Jodie's best friend doesn't believe her. But lawyer Zara Kaleel does - and she is determined to fight for Jodie - to find the truth in the face of public outcry. And as issues of sex, race, and social justice collide, the most explosive criminal trial of the year builds to a shocking conclusion.

Nikki Griffin isn't your typical private investigator. In her office above her bookstore’s shelves and stacks, where she luxuriates in books and the comfort they provide, she also tracks certain men. Dangerous men. Men who have hurt the women they claim to love. When a regular PI job tailing Karen, a tech company's disgruntled employee who might be selling secrets, turns ugly and Karen's life is threatened, Nikki has to break cover and intervene.

As I sit in her dimly lit bedroom, surrounded by flickering candles, I feel the crushing weight of my daughter’s absence. It's been two years since Layla was murdered. The police have searched tirelessly for her killer, but they've found nothing – it's like whoever did it vanished into thin air. My once-perfect marriage is falling apart, we can hardly look at each other anymore. Our ten-year-old son Gale is struggling. He’s changed since she died. He’s more secretive and also…

One night, Molly Clarke walked away from her life. She doesn't want to be found. Or at least, that's the story. The car abandoned miles from home. The note found at a nearby hotel. The shattered family that couldn’t be put back together. They called it a “walk away.” It happens all the time. Women disappear, desperate to leave their lives behind and start over. But is that what really happened to Molly Clarke?

Two brothers meet at the remote fence line separating their cattle ranches in the lonely outback. In an isolated belt of Western Australia, they are each other’s nearest neighbor, their homes a four-hour drive apart. The third brother lies dead at their feet. Something caused Cam, the middle child who had been in charge of the family homestead, to die alone in the middle of nowhere. So the eldest brother returns with his younger sibling to the family property and those left behind. But the fragile balance of the ranch is threatened.

Leah and McKenna have never met, though they have parallel lives. They don’t—ever—find themselves in the same train carriage or meet accidentally at the gym or the coffee shop. They don’t—ever—discuss their problems and find common ground. They don’t—ever—acknowledge to each other that although their lives have all the trappings of success, wealth and happiness, they are, in fact, trapped.

Magnus "Steps" Craig is part of the elite three-man Special Tracking Unit of the FBI. Called in on special cases where his skills are particularly needed, he works as a tracker. The media dubs him "The Human Bloodhound", since Steps is renowned for his incredible ability to find and follow trails over any surface better than anyone else. But there's a secret to his success. Steps has a special ability - a kind of synesthesia - where he can see the "essence" of a person, something he calls "shine", on everything they've touched.

Grace Holloway keeps to herself. Since narrowly escaping death at the hands of the man who kidnapped her, she’s thrown herself into the small inn she runs in Rock Harbor, Maine. It’s quiet, quaint and, in the off-season, completely isolated—the perfect place for Grace to keep her own secrets. But Grace isn’t the only one with something to hide, and Rock Harbor isn’t just a sleepy vacation town. Someone is taking young women—girls who look an awful lot like Grace did when she was kidnapped so many years ago.