Newly-appointed DI Jack Striker, of GMP's Major Incident Team, has a dark secret, one that would land him in prison. Striker's first case seems a straight-forward gang-on-gang slaying, until a notorious youth is found hanged. Before any chance to investigate, bodies begin stacking-up. With the hot breath of the brass burning his neck, including hard-faced DCI Maria Cinningham who's onto him, Striker knows this case will make or break him.