Some moments burn in the mind for ever. The landing is dark. Light comes from a window at the far end, enough to run by. Breath comes hard. From the stairs sound heavy footfalls in pursuit. The landing ends in a last doorway. There is no more running, only the need to hide.... Imagine not knowing the father of your child. Not knowing his name. What he looks like. Or what sort of person he is. Although she is desperate for a baby, that is something that Kate Powell cannot accept.

‘At first glance it could have been anything – a stone, a knotted root – until you looked more closely. Thrusting out of the wet earth, its bones visible through rags of flesh, was a decomposing hand…’It was eight years ago that they found the body buried on the moor. They were certain that this was one of psychotic rapist and multiple murderer Jerome Monk’s teenage victims. Which left just two more bodies to find.

When a woman's body is discovered in a cathedral and hours later a young man is found hanging from a tree outside his home, Detective Lottie Parker is called in to lead the investigation. Both bodies have the same distinctive tattoo clumsily inscribed on their legs. It's clear the pair are connected, but how? The trail leads Lottie to St Angela's, a former children's home, with a dark connection to her own family history. Suddenly the case just got personal.

Former soldier. Ex-copper. Current man on the edge. Shunned by his old colleagues, and dividing his time between a dead-end job and the bottom of a whisky bottle, former Police Scotland detective superintendent Bob Hoon’s life is a mess. Then an old face from Hoon’s Special Forces days turns up asking for help: His teenage daughter has been missing for months, the police have drawn a blank, and he needs the kind of help that only Hoon can provide. And besides, Hoon owes him one.

DS Rakesh Siyal is an idealist. Frustrated as an Edinburgh human rights lawyer, he joins the police, determined to solve the problems he sees with the criminal justice system from the inside, rather than out. His first day as a cop sees him sent down to Galashiels in the Scottish Borders, where he’s given a simple task – return a suspect to Glasgow to face justice.