Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

Five years ago, DCI John Lomond led the search for notorious Glasgow child-killer ‘The Sandman', until personal tragedy forced him off the case. In Lomond's absence, the killer was never found. Now, with nothing but work left in his life, Lomond remains obsessed with the case–despite the nightmares it brings. When a child is abducted in similar Sandman fashion from an affluent Glasgow suburb, Lomond is brought in to find them before it's too late.

The doorbell rings, just days after my beloved husband’s sudden death. I don’t recognise the woman on our doorstep, with her blonde highlights, a diamond bracelet identical to my own and a bouncing baby boy in her arms. As I show her inside, I notice her eyes grow wide as she takes in our spacious hallway, and the big squashy sofas that we all used to pile on. She glances at the silver-framed family photos and my little daughter hiding behind my skirts. She looks at me, her blue eyes serious. ‘I’m sorry’ she says. ‘I am your husband’s girlfriend. And this is his son.'

Leah and her three best friends get changed into their pyjamas, eat pizza, and argue about what film to watch. They laugh together, until the early hours. But the next morning, Leah blinks open her eyes and sees three empty sleeping bags. The other girls are gone. Twenty years later. In her small hometown, still-haunted Leah has never been able to shake off the rumours and whispers. How could she have slept through it all? She must know what happened.

Our new home was meant to be a chance for us to start again; to make new friends and forget the past. And as I look around the barbeque we’ve thrown for our neighbors, I dare to dream that things will be all right. I watch my husband joking as he flips burgers and my daughter turning cartwheels on our sun-bleached lawn. And then my gaze falls on my son, Jacob, and his new girlfriend, Rose, in her light blue jeans and her green crop top. There is a worried expression clouding her beautiful eyes.... The next day I get a call from Rose’s mother that chills me to the bone.

When a landslip on Pembrokeshire’s stunning coastal path reveals the harrowing remains of two bodies, ex-DCI Evan Warlow’s quiet retirement is shattered.

A perfect mother. A loving daughter. A secret that could destroy them both. When I walk into my small family home after a long day at work, I find my mother in the living room, playing happily with my precious baby son, and my heart begins to race.

Ailsa Connolly was a brilliant psychologist and a respected criminologist. She was also a serial killer. Six years ago, DCI Sean Bracken caught her just before he was about to become her seventh victim. Every year on the anniversary of her incarceration, she taunts him with a phone call, giving him one message: "When I get out, I'll kill you." Now, Bracken has transferred back to Edinburgh and is thrown into the deep end on his first day back on duty. There's a killer who is emulating Ailsa, threatening to surpass her body count. 

I was just a little girl, fast asleep in my stroller, the day my mother was killed. I don’t remember anything about the sunny day that turned so dark. She’d be so happy for me now, 20 years later, with my dream job as a photographer, and I’m sure she’d love my new boyfriend, Gabriel. But all my happiness vanishes in a heartbeat when the man from our past walks toward me, his eyes on me for just a fraction too long.

My husband cheated on me. It still hurts, but I’m trying to forgive him for the sake of our kids. I need this break, away from it all, with my girlfriends from my wild swimming group. They’ve been my lifeline these past months. But on the way up to Scotland, my husband calls me with a shocking confession. His mistress is on the trip. He won’t tell me which of my friends she is. And as the candlelight flickers on the walls of our remote hideaway, I watch my friends closely as they sip their wine and laugh. Someone is hiding something. I need to know who.