Niamh and Conor Ryan are the perfect power couple: smart, successful and beautiful, they have an enviable relationship and an idyllic family life. But then the unthinkable happens. Their oldest son, Tom, is the victim of a hit-and-run. What was Tom doing out walking so late at night? Did he really have problems sleeping, or was he secretly meeting someone? Is it a coincidence that his friend, Lauren, committed suicide nearby - or is there something more sinister going on? 

Cathy Connolly discovers the bones of a baby concealed in the hem of an old wedding dress. When the dress' original owner, Lavinia Grant, is found dead in a Dublin suburb, Cathy is drawn deep into a complex web of secrets and lies spun by three generations of women. Meanwhile, a fugitive killer has already left two dead in execution style killings across the Atlantic - and now he's in Dublin with old scores to settle. Can the team track him down before he kills again?

A missing girl. A case that's personal. A contract killer on Irish soil. Cat Connolly is back at work. Struggling to adjust to physical and mental scars, her workload once again becomes personal when her best friend, Sarah Jane, goes missing. Sarah Jane's a journalism student, the daughter of a decorated war correspondent, but what could she be working on that could lead to her disappearance? And how deadly will it get?

Former soldier. Ex-copper. Current man on the edge. Shunned by his old colleagues, and dividing his time between a dead-end job and the bottom of a whisky bottle, former Police Scotland detective superintendent Bob Hoon’s life is a mess. Then an old face from Hoon’s Special Forces days turns up asking for help: His teenage daughter has been missing for months, the police have drawn a blank, and he needs the kind of help that only Hoon can provide. And besides, Hoon owes him one.

DCI Jack Logan should’ve known things were going too well. Genuinely happy for the first time in years, Jack has almost fooled himself into believing that the world is a decent place. But when the discovery of a mutilated body kicks off a series of grisly murders, Jack’s dream of a peaceful life rapidly begins to crumble around him. With friends in danger and enemies begging for his help, Jack must risk everything to protect the final would-be victim and stop the most monstrous killer he’s ever faced.

On Doogort East Bog, Achill Island, a body is found. The close community is stunned to learn that it's Lisa Moran, a popular teacher who disappeared two days earlier. DS Lucy Golden is assigned to the case. For her, it's personal. As an Achill native, she knows that sometimes great evil can lurk in plain sight. Having moved back from Dublin, she has spent the last 10 years trying to prove herself to her colleagues after her husband was jailed for fraud. This is her chance to put the past behind her.

The Macnamara sisters hadn't been seen for months before anyone noticed. It was Father Timoney who finally broke down the door. One woman was sitting in her armchair, surrounded by religious tracts, the other was crouched under her own bed. Both had starved themselves to death. Francesca Macnamara returns to Dublin after decades in the US, to find her family in ruins. Meanwhile, Detectives Vincent Swan and Gina Considine are convinced that there is more to the deaths than suicide. Because what little evidence there is shows that someone was watching the sisters die.... 

One August afternoon, eight-year-old Grace Lennard skips into the garden of the childcare center she attends and vanishes into thin air. Rushing to the scene of Grace’s disappearance, Detective Kim Stone finds a chilling piece of evidence: the engraved heart bracelet belonging to Melody Jones - the little girl who was taken from a playground exactly 25 years ago. Hours before, Steven Harte had walked into Halesowen police station and confessed to having information that would lead Kim to Melody. And he told Kim she’d have a more urgent problem to deal with first. 

The head of Scotland’s most powerful crime family is brutally murdered, his body dumped inside an ancient grave in a remote cemetery. DS Max Craigie and DC Janie Calder arrive at the scene, a small town where everyone has secrets to hide. They soon realise this murder is part of a blood feud between two Scottish families that stretches back to the 1800s. One thing’s for certain: it might be the latest killing, but it won’t be the last.

When everyone is sleeping, he comes into their houses. He takes one thing. A photo of their child. A sinister thief on a power trip or something even darker and more sinister? Detectives Jackman and Evans find themselves on the hunt for a highly unusual burglar who seemingly only steals photographs. But then, late one night, an elderly woman falls to her death after seeing someone in her home. Did she really fall, or was she murdered? 

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. 

Police officer Sebastian Clifford never planned on becoming a private investigator. But when a scandal leads to the disbandment of his London based special squad, he finds himself out of a job. That is, until his cousin calls on him to investigate her husband’s high-profile death, and prove that it wasn’t a suicide. Clifford’s reluctant to get involved, but the more he digs, the more evidence he finds. With his ability to remember everything he's ever seen, he's the perfect person to untangle the layers of deceit.

After a violent home invasion in the remote wilds of Glen Coe leaves a family of four dead, DCI Jack Logan and his team are brought in to lead the manhunt. But, when one of the victims is revealed to be one half of legendary 1980s Glasgow-based comedy double act, Neeps & Tatties, Logan is forced to leave the Highlands and head back to his old stomping ground.

An old friend's sister disappears without a trace. There's no sign of foul play, but she'd been acting very peculiarly. Meanwhile, Liz's cousin, Christie, comes to stay. She takes an immediate - and uncharacteristic - dislike to the local bookshop owner, Gina. Why does everyone put up with her awful behavior? Christie is convinced that Gina is manipulating everyone around her. Is she onto something dangerous or just pushing her new friends away? No one believes her suspicions until another friend goes missing late at night on the misty Fen marshes.

Life is good for university friends Sarah, Ruth, Charlotte and Kathy - it's summer, exams are over and they're escaping to a cabin by the Blue Pool. But then Sarah disappears without a trace. Twenty-five years later, a man walks into a police station claiming to know something about the missing girl. Suddenly the three women - now estranged - all become suspects. For not everything was as it seemed, and the greater the secret, the deeper it lies....