The Sudden Arrival of Violence

Travel into the dark underworld of Glasgow, Scotland, in the suspenseful, award-winning organized-crime thriller series that the New York Times calls "habit-forming."
Hit man Calum MacLean has finally had enough of killing. And he's planning an unprecedented escape just as his employers need him the most -- Glasgow's biggest criminal organizations are gearing up for a final, fatal confrontation.
The panic over Calum's abrupt disappearance may finally give Detective Michael Fisher the chance he needs to close the case of a lifetime. But first, he must track down a man who has become a master at staying in the shadows.