Recently transferred to the London borough of Cam-den from Scotland Yard headquarters, superintendent Duncan Kincaid and his new murder investigation team are called to a deadly bombing at historic St. Pancras International Station. By fortunate coincidence, detective sergeant Melody Talbot, Gemma's trusted colleague, witnesses the explosion. The victim was taking part in an organized protest, yet the other group members swear the young man only meant to set off a smoke bomb. As Kincaid begins to gather the facts, he finds that every piece of the puzzle yields an unexpected pattern, including the disappearance of a mysterious bystander.
With the help of his former sergeant, Doug Cullen, Melody Talbot, and Gemma, Kincaid begins to untangle the truth. But what he discovers will leave him questioning his belief in the job that has shaped his life and his valuesand remind him just how vulnerable his precious family is.
