Surviving a terrorist explosion, a tutu incident, and a night of celebratory drinking, hungover hero DCI Jack Austin proposes an ill-advised alliance with a newly-turned criminal informant. After a string of high-profile murders is committed, Austin goes deep undercover - and uncovers a villainous scheme that threatens the Star Chamber. His world turned upside down, Austin needs to rely on courage, skill and improbable luck. But can he bring the perpetrators of the far-reaching scheme to justice?