Maeve Kerrigan is an ambitious detective constable, keen to make her mark on the murder task force. Her male colleagues believe Maeve’s empathy makes her weak, but the more she learns about the latest victim, Rebecca Haworth, from her grieving friends and family, the more determined Maeve becomes to bring her murderer to justice. But how do you catch a killer no one has seen? And when so much of the evidence they leave behind has gone up in smoke?

Jenny Shepherd is twelve years old and missing. Her teacher, Sarah Finch, knows better than most that the chances of finding her alive are diminishing with every day she is gone. As a little girl her older brother had gone out to play one day and never returned. The strain of never knowing what has happened to Charlie had ripped Sarah’s family apart. Now in her early twenties, she is back living at home, trapped with a mother who drinks too much and keeps her brother’s bedroom as a shrine to his memory. Then, horrifically, it is Sarah who finds Jenny’s body....

A teacher goes missing under suspicious circumstances and a man is murdered at a local reservoir. For Detective Robyn Carter, there's no obvious link between the cases. But as she starts to delve into them, her investigations lead her to Abigail, perfect wife and mother to beautiful little Izzy. What was Abigail's connection to the victims? And why is she receiving threatening messages from an anonymous number?

The text message is just three words: I need you. Isa Leigh drops everything, packs up her baby daughter and heads straight to Salten, where she and her three best friends attended prestigious boarding school Salten House. Only Kate still lives in the area, at the crumbling Tide Mill she inherited when her disgraced art tutor father vanished when she was just 17. Each of the women is running from something, from an act that has haunted them for many years but which they have tried their best to bury.

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.