Iceland, 1956. Fourteen-year-old Lára decides to spend the summer working for a couple on the small island of Videy, just off the coast of Reykjavík. In early August, the girl disappears without a trace. Time passes, and the mystery becomes Iceland‘s most infamous unsolved case. What happened to the young girl? Is she still alive? Did she leave the island, or did something happen to her there? Thirty years later, as the city of Reykjavík celebrates its 200th anniversary, journalist Valur Robertsson begins his own investigation into Lára's case.

Two years ago, a hostile Prime Minister launched the Monochrome inquiry, investigating "historical over-reaching" by the British Secret Service “to investigate historical over-reaching.” Monochrome’s mission was to ferret out any hint of misconduct by any MI5 officer—and allowed Griselda Fleet and Malcolm Kyle, the two civil servants seconded to the project, unfettered access to any and all confidential information in the Service archives in order to do so. But MI5’s formidable First Desk did not become Britain’s top spy by accident, and she has successfully thwarted the inquiry at every turn.

The Barnes family is in trouble. Dickie’s once-lucrative car business is going under—but Dickie is spending his days in the woods, building an apocalypse-proof bunker with a renegade handyman. His wife, Imelda, is selling off her jewelry on eBay and half-heartedly dodging the attention of fast-talking cattle farmer Big Mike, while their teenage daughter, Cass, formerly top of her class, seems determined to binge drink her way through her final exams. As for twelve-year-old PJ, he’s on the brink of running away.

For seventeen years, small-town public defender Andy Hughes has been underpaid to look after the poor, the addicted, and the unfortunate souls who constantly cycle through the courts, charged with petty crimes. Then, in the summer of 2020, he’s assigned to a grotesque murder case that brings national media focus to rural Patrick County, Virginia—Alicia Benson, the wife of a wealthy businessman, is murdered in her home. The accused killer, Damian Bullins, is a cunning felon with a long history of violence, and he confesses to the police.

On Memorial Day in Jewel, Minnesota, the body of wealthy landowner Jimmy Quinn is found floating in the Alabaster River, dead from a shotgun blast. The investigation falls to Sheriff Brody Dern, a highly decorated war hero who still carries the physical and emotional scars from his military service. Even before Dern has the results of the autopsy, vicious rumors begin to circulate that the killer must be Noah Bluestone, a Native American WWII veteran who has recently returned to Jewel with a Japanese wife.

When two young lovers abscond from a Puritan colony, little do they know that their humble cabin in the woods will become the home of an extraordinary succession of human and nonhuman characters alike. An English soldier, destined for glory, abandons the battlefields of the New World to devote himself to growing apples. A pair of spinster twins navigate war and famine, envy and desire. A crime reporter unearths an ancient mass grave—only to discover that the earth refuse to give up their secrets.

Nothing about Emma Makepeace is real. Not even her name. A newly minted secret agent, Emma's barely graduated from basic training when she gets the call for her first major assignment. Eager to serve her country and prove her worth, she dives in headfirst. Emma must covertly travel across one of the world’s most watched cities to bring the reluctant—and handsome—son of Russian dissidents into protective custody, so long as the assassins from the Motherland don’t find him first.

Four in the morning, mid-December, and snow blankets St. Andrews School. Student Alex Gilbery and his three best friends are staggering home from a party when they stumble upon the body of a young woman. Rosie Duff has been raped, stabbed and left for dead in the ancient Pictish cemetery. The only suspects are the four young students stained with her blood. Twenty-five years later, police mount a cold case review. Among the unsolved murders they're examining is that of Rosie Duff. But someone else has his own idea of justice.

In the seaside town of Kinlough, on Ireland’s west coast, three old friends are thrown together for the first time in years. They—Helen, Joe, and Mush—were part of an original group of six inseparable teenagers in the summer of 2003, with motherless, reckless Kala Lanann as their group’s white-hot center. Soon after that summer’s peak, Kala disappeared without a trace. Now it’s fifteen years later.

The story opens with the apparently accidental drowning of a sixth form student in the Norfolk countryside. As a matter of routine, or so it seems, the case passes across the desk of Detective Sergeant Smith, recently returned to work after an internal investigation into another case that has led to tensions between officers at Kings Lake police headquarters. As an ex-DCI, Smith could have retired by now, and it is clear that some of his superiors wish that he would do so.

When Boady Sanden first receives the case of Elijah Matthews, he’s certain there’s not much he can do. Elijah, who believes himself to be a prophet, has been locked up in a psychiatric hospital for the past four years, convicted of brutally murdering the pastor of a megachurch. But as a law professor working for the Innocence Project, Boady agrees to look into Elijah’s file. When he does, he is alarmed to find threads that lead back to the death of his colleague and friend, Ben Pruitt, a man shot to death four years earlier in Boady’s own home.

Northern Ireland, spring 1981. Hunger strikes, riots, power cuts, a homophobic serial killer with a penchant for opera, and a young woman’s suicide that may yet turn out to be murder: on the surface, the events are unconnected, but then things—and people—aren’t always what they seem. Detective Sergeant Duffy is the man tasked with trying to get to the bottom of it all. It’s no easy job—especially when it turns out that one of the victims was involved in the IRA but was last seen discussing business with someone from the loyalist Ulster Volunteer Force.

My darling little boy Albie adores playing at our new neighbours’ house. And after the terrible year we’ve had, I feel so lucky that we can start over in this perfect place, with new friends who treat Albie like the son they never had. He can’t stop talking about the tree house they’re building him, and the cookies they bake together. But as time passes, something starts to feel wrong. Why don’t they ever open the front door more than a crack? They told me they had no children so who does the small pink tricycle I saw in their hall belong to?

When Sophie’s life falls apart, she accepts an invitation from a childhood friend, Caroline, to visit her family’s beautiful beach house, miles from the nearest town. The silence is broken only by the rhythmic crash of the waves against the jagged black rocks below. But when Sophie arrives, she finds her friend much changed. Caroline - who used to be so warm and confident - is secretive and on-edge, spending long, unexplained hours away from her family. And then there’s Caroline’s little daughter Lucy - who stopped speaking soon after they moved in.

Bruno is a former soldier who has embraced the pleasures and slow rhythms of country life - living in his restored shepherd's cottage; patronizing the weekly market; sparring with, and basically ignoring, the European Union bureaucrats from Brussels. He has a gun but never wears it; he has the power to arrest but never uses it. But then the murder of an elderly North African who fought in the French army changes everything and galvanizes Bruno's attention.