It’s just a normal morning for Anna McDonald. Gym kits, packed lunches, getting everyone up and ready. Until she opens the front door to her best friend, Estelle. Anna turns to see her own husband at the top of the stairs, suitcase in hand. They’re leaving together and they’re taking Anna’s two daughters with them. Left alone in the big, dark house, Anna can’t think, she can’t take it in. With her safe, predictable world shattered, she distracts herself with a story: a true-crime podcast.

It’s the case that could make DS Alex Morrow’s career. A suburban home invaded in the dead of night and a vulnerable old man taken hostage. It’s a black and white case and it shouldn’t be hard to solve… The two strangers who forced their way into the house demanded millions the family didn’t have and shouted for a man nobody had heard of. It had to be a mistake, and a bad one at that. But Alex Morrow can’t be depended on and the bosses know it.

Maureen O'Donnell is a psychiatric patient, stuck in an affair with Douglas, a shady therapist. She’s about to end it with him when she wakes up one morning to find him in her living room with his throat slit. Viewed by the police as both a suspect and a witness, even Maureen’s family suspects her. Panic-stricken, she retraces Douglas' last days, finding a trail of rape and deception at a psychiatric hospital where she’d been an inmate. The patients won't talk and staff are afraid. Then a second brutalised corpse is discovered and Maureen realises that her life is in danger.

Paddy Meehan has just started work on the Scottish Daily News when a toddler is abducted. Two eleven-year-old boys are arrested for his murder and Paddy is shocked to discover that one of them is her fiance's cousin, Callum. When the boy's name is reported in the media, Paddy's family believe that she is to blame. Shunned by those closest to her, she finds herself dangerously alone.

Robert is a struggling writer living in Berlin with his wife and two young daughters. One night he meets Patrick, an enigmatic stranger with a sensational story to tell: a ghostwriter for a Russian oligarch - recently found hanged - who is now being followed. But is he really in danger? Patrick's life strikes Robert as a fabrication, but one that comes to obsess him. He decides to use the other man, and his story.... 

William Watt wants answers about his family's murder. Peter Manuel has them. But Peter Manuel is a liar. William Watt is an ordinary businessman, a fool, a social climber. Peter Manuel is a famous liar, a rapist, a criminal. He claims he can get hold of the gun used to murder Watt's family. One December night in 1957, Watt meets Manuel in a Glasgow bar to find out what he knows.

Everyone has a Tully Dawson: the friend who defines your life. In the summer of 1986, in a small Scottish town, James and Tully ignite a brilliant friendship based on music, films and the rebel spirit. With school over and the locked world of their fathers before them, they rush towards the climax of their youth: a magical weekend in Manchester, the epicentre of everything that inspires them in working-class Britain. There, against the greatest soundtrack ever recorded, a vow is made: to go at life differently. Thirty years on, half a life away, the phone rings. Tully has news.

What secrets are hidden within the walls of a desolate farmhouse in a forgotten corner of Lapland? Early spring has its icy grip on Ödesmark, a small village in northernmost Sweden, abandoned by many of its inhabitants. But Liv Björnlund never left. She lives in a derelict house together with her teenage son, Simon, and her ageing father, Vidar. They make for a peculiar family, and Liv knows that they are cause for gossip among their few remaining neighbours.

Kieran Elliott's life changed forever on a single day when a reckless mistake led to devastating consequences. The guilt that haunts him still resurfaces during a visit with his young family to the small coastal town he once called home. Kieran's parents are struggling in a community which is bound, for better or worse, to the sea that is both a lifeline and a threat. Between them all is his absent brother, Finn. When a body is discovered on the beach, long-held secrets threaten to emerge in the murder investigation that follows.

When a light aircraft crash-lands at Machrie airport, Daley and Scott rush to the scene. But it soon becomes clear that both occupants of the plane were dead before take-off.... Meanwhile, tending to his lobster creels, Hamish finds himself in the wrong place at the wrong time, and back at the County Hotel, Annie is beginning to suspect her new boss Ian Macmillan may not be as he first appeared. 

On a freezing winter morning, fishermen pull a body from the sea. It is quickly discovered that the dead man was the prime suspect in a decade-old investigation, when a prominent civil servant disappeared without trace. DCI Karen Pirie was the last detective to review the file and is drawn into a sinister world of betrayal and dark secrets. But Karen is already grappling with another case, one with even more questions and fewer answers. A skeleton has been discovered in an abandoned camper van and all clues point to a killer who never faced justice - a killer who is still out there.

'And in Edinburgh of all places. I mean, you never think of that sort of thing happening in Edinburgh, do you...?' 'That sort of thing' is the brutal abduction and murder of two young girls. And now a third is missing, presumably gone to the same sad end. Detective Sergeant John Rebus, smoking and drinking too much, his own young daughter spirited away south by his disenchanted wife, is one of many policemen hunting the killer.

Both healthy and vital medical professionals in their early 50s, Kay and her husband, Cyril, have seen too many of their elderly NHS patients in similar states of decay. Determined to die with dignity, Cyril makes a modest proposal: they should agree to commit suicide together once they’ve both turned 80. When their deal is sealed in 1991, the spouses are blithely looking forward to another three decades together. But then they turn 80.

When nine-year-old Charlotte Standish goes missing from her street in the small town of Rydale Falls, it sparks a media frenzy. Detective Morgan Brookes leads a frantic hunt for the girl, but little Charlie seems to have vanished into thin air. Chasing up a lead at Charlie’s school, Morgan is chilled to learn that this isn’t the first time a child has gone missing on this street. Another girl disappeared 15 years ago, and Morgan is the only one who thinks the cases could be related. But in the moment that she takes her eye off Charlie’s case, another child goes missing. 

Detective Inspector Karen Eiken Hornby has returned to the main island, Heimö, after many years in London and has worked hard to become one of the few female police officers in Doggerland. So, when she wakes up in a hotel room next to her boss, Jounas Smeed, she knows she's made a big mistake. But things are about to get worse: later that day, Jounas's ex-wife is found brutally murdered. And Karen is the only one who can give him an alibi.