When a man is found dead, mutilated in his house, DS Wendy Knight and DCI Jack Culverhouse soon realise that Jeff Brelsford was killed for one reason: He was a paedophile. As Wendy does her job and tries to find the killer, Culverhouse is less keen. As far as he's concerned, this is justice.

One beautiful summer’s evening, thirteen-year-old twins Ivy and Erin Westmore snuggle down in a tent in their back garden, giggling and sharing secrets. When their mother goes to wake the girls the next morning, their tent is empty. The alarm is raised, and Detective Natalie Ward is put onto the case. When the twins’ bodies are discovered on nearby marshland, covered with deep pink petals, an icy shiver travels down Natalie’s spine. Everything about the girls’ deaths reminds her of a horrifying case she worked on earlier in her career.

Lacy Stoltz never expected to be in the firing line. Investigating judicial misconduct by Florida's 1,000 judges, her cases so far have been relatively unexciting. That's until she meets Greg Myers, an indicted lawyer with an assumed name who has an extraordinary tale to tell. Myers is representing a whistle-blower who knows of a judge involved in organised crime. Along with her gangster associates, this judge has facilitated the building of a casino on an Indian reservation. At least two people who opposed the scheme are dead.

When two young boys discover human bones buried beneath a tree in a trailer park, Detective Josie Quinn races to join her team at the scene. She used to play in those woods as a child, happier outside and away from her abusive mother, Belinda Rose. Josie’s past crashes into her present when a rare dental condition confirms the bones belong to a teenage foster-child who was murdered 30 years ago. A girl named Belinda Rose.

A swallow flutters its wings into a dimly lit attic as Adele Foyle stumbles across the secret diary of the mother she has never met and a shocking account of a crime committed over 25 years ago. Adele Foyle has returned to Reedstown, the last place her mother, Marianne, was seen alive. With her mother’s words etched in her mind and in the pages tucked into her jacket pocket, Adele has one purpose: to find those responsible for the devastating attack on Marianne and see them brought to justice.