A woman's body is discovered in Angel Meadow, site of one of the most the notorious slums in Victorian England. Caton's investigation uncovers a link to the Troubles in Northern Ireland thirty years ago. Caton and DI Joanne Stuart, newly promoted, find strange allies among former terrorists on both sides of the divide. With the Historical Enquiries Team in trouble, the Establishment is desperate to ensure that the facts stay buried. But when a second murder occurs, and with three potential witnesses in the killer's sights, nothing can stop Caton's desperate search for truth. Number 10 in the...