A contentious mayoral election is being fought between incumbent liberal Kashif Hassan and political underdog and local-girl-done-good Caroline McCoy. Crowds gather for a mayoral debate between Hassan and political underdog McCoy – only for the hustings to end in bloodshed when an assassin strikes. As Viv Deering and her team investigate, they are forced to infiltrate the far right, and their murky world of political benefactors, if they are to catch the culprit.