With his near-fatal stabbing almost a memory, DI Bob Valentine is settling back into life on the force. Haunted by unearthly visions that appear like waking dreams, he soon understands he is being inducted into one of Scotland’s darkest secrets. A young child lies mummified in a barrel. His hands, cable-tied, appear to be locked in prayer. The discovery re-opens a cold case that was previously thought unsolvable. When further remains are unearthed, the facts point to a paedophile ring and a political conspiracy that leads all the way to the most hallowed corridors of power.