Meet DCI Hanlon. A woman with a habit of breaking the rules and a fierce loyalty to the few people she respects. When the kidnap of a 12-year-old boy blows the case of some missing children wide apart, the finger is pointing at the heart of the Met. Hanlon is sent in as the only cop who is incorruptible enough to handle it. But can she find the killer before another child is stolen?

Someone is out to murder Detective Constable Bailey Morgan before she can testify in an upcoming trial. Using her undercover skills, Bailey embarks on a dangerous mission to help the police catch this elusive killer before it’s too late. But it won’t be easy, for she’s up against a cunning and ruthless adversary who will stop at nothing to eliminate her. A tense game of cat and mouse ensues, leading to a shocking revelation at the heart of which lies the key to Bailey’s survival. 

Responding to reports of deadly screams in the Ironbridge Gorge, Detective Sergeant Jenna Morgan is first on the scene to investigate. As the search intensifies, Jenna soon discovers her sister Fliss’ severely injured Dalmatian, Domino, and the naked, tortured body of an unknown woman.

When a young boy discovers the body of a woman beneath a thick sheet of ice in a South London park, Detective Erika Foster is called in to lead the murder investigation. The victim, a beautiful young socialite, appeared to have the perfect life. Yet when Erika begins to dig deeper, she starts to connect the dots between the murder and the killings of three prostitutes, all found strangled, hands bound, and dumped in water around London.

Jack Warr is a young DC with the Metropolitan Police. Charming but aimless, Jack can't seem to find his place in the world - until he's drawn into an investigation that turns his life upside down. In the aftermath of a fire at a derelict cottage, a badly charred body is discovered, along with the burnt remnants of millions of stolen, untraceable bank notes - the hidden legacy of Dolly Rawlins and her gang of Widows. Jack's assignment to the case coincides with an investigation into his own past.

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?

A family is gunned down in the snow, but one of the children survives. Three years on, that child takes revenge, and the Snow Killer is born. But then, nothing - no further crimes are committed, and the case goes cold. 50 years later, has the urge to kill been reawakened? As murder follows murder, the detective team tasked with solving the crimes struggle with the lack of leads. It’s a race against time and the weather - each time it snows, another person dies.

The race to claim the reward for finding Anna Louise Caley - dead or alive - spirals into a deadly voodoo trail in the French quarter of New Orleans. In her desperation to succeed in her first case as a private detective, ex-Lieutenant Lorraine Page is caught in a web of deceit and violence that threatens to drag her back into the murky world she has fought so hard to escape. Continuing the investigation means risking everything. 

Criminologist Martin Knight lives a gilded life and is a thorn in the side of the police. But then his wife, Liz, goes missing. There is no good explanation and no sign of Martin.... To make things worse, Liz is the ex-girlfriend of DCI Craig Gillard who is drawn into the investigation. Is it just a missing person or something worse? And what relevance do the events around the shocking Girl F case, so taken up by Knight, have to do with the present? The truth is darker than you could ever have imagined.

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.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

DS Whitney Walker wants a promotion, but it’s hard when she’s trying to balance motherhood with a career. When a newborn baby is kidnapped from the local hospital, she draws on her skills as a mother to help. Despite being ordered not to, and when the leads are going nowhere, Walker enlists the help of a local journalist who’s convinced it’s the work of an international baby smuggling ring. Walker’s plan backfires and she fears they’re running out of time.

It is every mother's nightmare. Her child is missing, found murdered. Her lover is the prime suspect. It is every police officer's dread. A child murder. A circumstantial case. It is every solicitor's dream. Twelve men and women will decide the verdict. But only you can decide if justice is done for the victim.

When the body of a young woman is discovered at the home she shared with her disabled daughter, DI Tom Janssen and his team must investigate the circumstances surrounding her death. The woman was a single mother, well regarded, and popular among the group she frequented, but she had a checkered past...a life she kept secret from those around her...a life that may, ultimately, have led to her death. Friends, past lovers, and confidants offer conflicting descriptions of the deceased...did anyone know her at all? The team realize the daughter is missing, and her life hangs in the balance.

DI Nikki Galena: A police detective with nothing left to lose, she's seen a girl die in her arms, and her daughter will never leave the hospital again. She's gotten tough on the criminals she believes did this to her. Too tough. And now she's been given one final warning: make it work with her new sergeant, DS Joseph Easter, or she's out.