A reclusive police archivist and ambitious rookie partner work to clear cold-case crimes.
Nicola Walker (Unforgotten) stars as DI Annika Strandhed who juggles cases and a rebellious teenage daughter.
Kate Phillips stars as the first-ever female detective in Victorian London
Content rating: TV-MA
Inspector Ricciardi can see and hear the ghosts of people who have died violently.
Content rating: TV-14
British and French detectives are forced to work together when a French politician is found dead inside the Channel Tunnel.
Content rating: TV-MA
Retired DI Alex Ridley is called back to advise on a complex case by his former protege.
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