"We have a dead child, and a crime scene that has been remarkably well kept for us." A young child lies mummified in a barrel. His hands, cable-tied, appear to be locked in prayer. As forensic officers remove the boy they are in for an even bigger shock - he is not alone. With his near-fatal stabbing almost a memory, DI Bob Valentine is settling back into life on the force but he knows nothing will ever be the same. Haunted by unearthly visions that...