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.

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.

Maddie and Kiara have been best friends since they met on their first day at university. They have always shared everything with each other--everything except one big secret, which Kiara knows would tear them apart…. When the police knock on Maddie’s front door as she and husband Nick are getting ready for the morning school run, she’s not expecting to hear what they have to tell her. Kiara is dead.

One weekend, while Andrew Mason was on a fishing trip, his wife, Brie, vanished without a trace. Most everyone assumed Andy had got away with murder—it's always the husband, isn't it?—but the police could never build a strong case against him. For a while, Andy hit rock bottom—he drank too much to numb the pain, was abandoned by all his friends save one, nearly lost his business, and became a pariah in the place he once called home. Now, six years later, Andy has finally put his life back together. But Andy's peaceful world is about to shatter.

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.