A young man is found hanging by a rope in his Edinburgh home. A simple, sad suicide, yet Detective Inspector Tony McLean is puzzled by the curious suicide note. So when a second hanged man and another strange note appear, McClean sees a sinister pattern.

Investigating a brutal prostitution and human trafficking ring, McLean struggles to find time to link the two suicides. But the discovery of a third convinces him of malicious intent. Digging deeper, McLean finds answers something terrifying stalking the city streets.

And it's much closer to home than he expects...