Anna is a BBC news presenter who relies on alcohol to cope with her past traumas, including the tragic loss of her infant daughter and her subsequent divorce. She is ambitious and fiercely protective of her carefully crafted public persona, though she harbors dark memories from her teenage years in Blackdown. When assigned to cover a local murder, she is forced to confront the town and people she spent years trying to avoid.

Jack is a Detective Chief Inspector who recently relocated back to his childhood home in Blackdown following his divorce. He feels stagnant in his career and personal life, living with his sister and niece while still grieving his daughter's death. When a high-profile murder occurs, his personal connection to the case forces him to walk a dangerous line between doing his job and protecting his secrets.

Anna's mother is a former house cleaner who still lives in Blackdown. She struggles with her health, showing signs of dementia and physical decline that deeply worry those around her. She maintains a complex, intensely protective relationship with her daughter, though the two have grown estranged over the years following severe family tragedies.

Priya is a Detective Sergeant and Jack's ambitious deputy on the local police force. She is eager to prove herself in a department that rarely sees major crimes and works diligently to uncover physical evidence. Her professional dedication frequently places her at odds with Jack's more guarded, secretive approach to the investigation.

Cat is a successful BBC presenter whose return from maternity leave forces Anna back into a reporter role. Her polished, affluent lifestyle masks a history of childhood trauma from her time as Catherine Kelly in Blackdown. Her reappearance in Anna's professional sphere rekindles old insecurities and bitter rivalries.

Rachel is a charismatic but manipulative woman who remained in Blackdown after high school, running a local charity. In her youth, she was the beautiful, cruel leader of her friend group, successfully using her social influence to control others. Her sudden death serves as the catalyst for the novel's central police investigation.

Zoe is Jack's sister and a former member of Anna's teenage friend group. She currently shares the family home with Jack and her young daughter, Olivia. She harbors lingering resentments from her high school days and remains highly protective of her brother, openly distrusting Anna.

Helen is the current headmistress of St. Hilary's school and a member of the childhood social circle that included Anna and Rachel. Desperate for approval, she maintains her ties to Blackdown and her old friendships, remaining deeply entrenched in the town's social fabric.

Richard is a BBC cameraman who travels with Anna to cover the investigation in Blackdown. He shares a complicated history with Anna, having previously engaged in an affair with her. He tries to maintain strict professional boundaries while working through the tense atmosphere of the assignment.

Olivia is Zoe's young daughter and Jack's niece. She lives with her mother and uncle in their childhood home, providing a rare source of domestic grounding in Jack's otherwise chaotic life.