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
Melinda Ricci
Martin ‘Marty’ Baines
Juliet Cooper
Asif Syed
Steve James
Kate
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