As the city swelters in a summer long heatwave, a potential gangland war simmers and the land war rages, the bodies of a man and a child are uncovered in Dublin's Phoenix Park.The man charged with uncovered their murderer and the reasons for their deaths is Detective Sergeant Joe Swallow. Cynical and frustrated by incompetent superiors, Swallow must navigate the tricky waters of high politics and rising gang tension to uncover the truth.