DS Josie Masters is called out to a house in North Oxford to investigate a serious incident – an apparent burglary turned violent. But things take a personal turn when she walks through the door and discovers the body is that of her former friend and mentor, Harry Ferman. He’d lived alone, though possessions found in his spare bedroom indicate that he’s had a lodger staying – a young woman who seems to have fled the scene. Soon, though, further vengeful killings rock Oxford, and evidence mounts that the picture is not as simple as it first appeared. The girl is on the run, and someone is following her – leaving a stack of bodies in their wake…