The roots of murder run deep...
When a body is found in a tree in The Meadows, Edinburgh's scenic parkland, the forensics suggest the corpse has fallen from a great height.
Detective Inspector Tony McLean wonders whether it was an accident, or a murder designed to send a chilling message?
The dead man had led quite a life: a disgraced ex-cop turned criminal kingpin who reinvented himself as a celebrated philanthropist.
As McLean traces the victim's journey, it takes him back to Edinburgh's past, and through its underworld - crossing paths with some of its most dangerous and most vulnerable people.
And waiting at the end of it all, is the truth behind a crime that cuts to the very heart of the city...
