Following the adventures of DS Steve Arnott, a young courageous detective, who once during a mission, has shot a man by mistake, the thing that leads him to be transferred to the anti-terrorists section, where he struggles against facing terrorists. In this new season, DS Steve Arnott believes that there are dark secrets behind Dany Walden.
The characters have been memorable, sometimes indelibly so. The plotting has been meticulous, demanding our more than usual attention. Yet it has remained a work of social realism.