In the tradition of Elizabeth George, Louise Penny, and P. D. Adam, New York Times bestselling writer Deborah Crombie delivers a robust story of intrigue, betrayal, and lies which will plunge wedded London detectives Duncan Kincaid and Gemma Wayne in to the unspeakable darkness that lies in the centre of murder.

Recently used in the London borough of Camden from Scotland Backyard headquarters, Superintendent Duncan Kincaid and his fresh murder investigation group are called to a deadly going to Dwell in Darkness: A Novel bombing at historical St. Pancras Place. By lucky coincidence, Melody Talbot, Gemma’s respected colleague, witnesses the explosion. The sufferer was getting involved in an structured protest, yet the various other group associates swear the son only meant to tripped a smoke bomb. As Kincaid starts to gather the facts, he discovers every piece of the puzzle yields an unexpected pattern, including the disappearance of a mysterious bystander.

The bombing isn’t the only mystery troubling Kincaid. He’s still questioning the reasons behind his transfer, and when his previous boss-who’s been staying away from him-is attacked, those suspicions deepen. With the help of his former sergeant, Doug Cullen, Melody Talbot, and Gemma, Kincaid starts to untangle the reality. But what he discovers will keep him questioning his belief in the job that has shaped his life and his values-and remind him just how vulnerable his valuable family is.