London police detectives Cassie Stuart and Sunny Khan investigate historic cold cases involving missing persons, murder and long-hidden secrets.
DS Sunil 'Sunny' Khan
DCI Jessica 'Jessie' James
DC Fran Lingley
DS Murray Boulting
DC Karen Willetts
Dr. Leanne Balcombe
Lord Tony Hume
Lady Emma Hume
Ebele Falade
Karol Wojski
Jay Royce
CATH
