Zoe has to hit the ground running. She needs to manage a new team with its fair share of challenges, get to grips with a new boss who might not be all she seems, and worry about her reputation following her north to Cumbria. Can she settle in quickly enough to solve the murder and quell local tensions, as well as coping with an unfamiliar environment?

Diana Bakewell is London’s savviest and best connected tour guide. As the lead guide at Chartwell and Crouch Tours, she’s busy teaching her young assistant Zaf the ropes alongside dealing with company politics and her slimy boss. In her spare time she’s helping Zaf find his feet in London and coming to terms with the fact that a tabby cat called Gus has stowed away on her vintage tour bus. But when Diana and Zaf take a group of students on a tour of the Houses of Parliament and an MP's researcher dies, Diana suspects all is not as it seems.

Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

When America's newest internet billionaire is shot on the shores of Loch Lomond, the team is brought in. Jade suspects a connection with the shooting of a local millionaire, an unsolved case which has been haunting her. But the team has its problems. Jade is only just back at work after a personal trauma, and can barely leave her own front drive. Petra is receiving anonymous phone calls and trying to establish a relationship with the latest in a string of girlfriends. And Mo is missing the city and his old boss DI Zoe Finch.

Meet DCI Lesley Clarke. She’s a straight-talking city copper who doesn’t suffer fools gladly…and she’s been transferred to rural Dorset. After being injured in a bomb attack, Lesley is presented with a choice - early retirement, or a period of respite in a calmer location. But things don’t stay calm for long. Before she’s even started her new job, Lesley is dragged into investigating a murder at one of England’s most iconic landmarks, the imposing Corfe Castle.