Dr Lucinda Edwards is a smart, battle-hardened doctor, but we meet her on a nightmare shift that ends in the death of an opioid overdose victim, Edith Owusu. Despite the support of her medical supervisor, Dr Leo Harris, Edith’s grieving father Sir Anthony Owusu, demands an enquiry into Lucinda’s actions on the fateful night.

Karen is a refreshingly normal and charmingly unfashionable young woman – slick, maverick cop she is not – but her quick mouth and ingenuity make her an impressive investigator. Following her promotion to Police Scotland’s Historic Cases Unit, Karen is tasked with reopening the investigation into a murder that has been the subject of a provocative true crime podcast. When teenage barmaid Rosie Duff was stabbed to death in 1995, suspicion fell on the three drunken students who discovered her body. But despite police suspicion, the boys were never charged.

Nearly 25 years on, DS Karen Pirie is determined to uncover what happened that fateful night. Do the men know more than they previously revealed? When Karen uncovers flaws in the initial investigation, she finds herself in conflict with the very officers who led the original hunt for the killer.

It follows Doctor Joe O’Loughlin, who appears to have the perfect life – a devoted wife, a loving daughter, successful practice as a clinical psychologist, media profile and a publishing deal. He’s even a hero online after rescuing a young patient who was ready to jump from the tenth floor of the hospital where Joe works.When a young woman is found in a shallow grave in a West London cemetery, veteran police officer DI Vincent Ruiz and his young partner DS Riya Devi are assigned to the investigation. But has the young woman been murdered or is this a case of suicide?As a successful author, Doctor Joe’s opinion is much sought after and when he meets DS Devi he’s only too willing to offer help with profiling and his expertise. Now known for his risk-taking and rule-breaking does Joe have more to hide? His recent diagnosis with a debilitating illness could explain his behaviour