When shipworkers' union leader Will Ramsay is shot dead in the middle of a labour dispute, corporate killing seems the most likely cause. But the real motivations lie much closer to home.
When three children and their father are found dead in a tenement flat, what initially appears to be an open and shut case becomes something altogether more sinister.
Newly promoted DI Reid leads the murder investigation when a busker is stabbed to death in the city centre, but as the case progresses, Ross's life begins to unravel.