Afterherbittersweetsuccessinseriesone,KarenhasbeenpromotedtoDetectiveInspectorandseeminglygiventheauthorityshehaslongbeenfightingfor.Justasshe’sgettingintotheswingofherpowerfulnewrole,sheisassignedaninfamousunsolvedcasethatwillputherunderintensescrutiny;fromherboss,fromthemedia,andultimately,fromsinisterforcesthatwo..