Was the biggest case of his career the worst mistake he ever made? Ten years ago, DCI Jack Logan stopped the serial child-killer dubbed "Mister Whisper", earning himself a commendation, a drinking problem, and a broken marriage in the process...When another child disappears a hundred miles north in the Highlands, Jack is sent to lead the investigation and bring the boy home. But as similarities between the two cases grow, could it be that Jack caught the wrong man all those years ago?

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.

When a 15-year-old girl fails to make it home after school, DI Heather Filson believes she’s dealing with just another teenage runaway. The girl’s grandfather, a notorious Glasgow gangster, disagrees. Convinced one of his underworld enemies has grabbed her, he’s prepared to bathe the city in blood in order to bring his princess home.

The Rise is a gleaming residential tower, newly constructed from steel and blackened glass, that stands on some of London’s most prestigious real estate. Looming imposingly over Hyde Park, only multi-millionaires need apply for one of its sumptuous apartments. But when the young night concierge is found murdered in the building’s lobby, the elite residents quickly find their gilded lifestyles under unwelcome police scrutiny.

Wealthy racing yard owner Edward de Jersey has spent the last few years of his life reaping the rewards of his criminal mastermind past and spending his free time priming his star horse, Royal Flush, for a Derby win. Having successfully pulled off some of the most lucrative heists in history as 'The Colonel', at the height of his activity, he was one of the most prolific criminals of his time. But, when his financial advisor invests his fortune in an internet company that crashes quickly after, he is left with no choice but to return to his old ways.