Bryony Afferson

As the basement women case highlights two co-operating killers, Nikki, Jack and DI Reed realise one victim was killed by a controlled sedative.

Still plagued by the death of his ex-wife, Luther returns to work to face a nightmarish case of a masked murderer determined to enter into folklore. As the body count rises, Luther must use all his skills to stop the killer.

Eddie makes a shocking discovery about his father; Fabian translates a message; Amber is placed in great danger.

Joy and Jerome share a romantic moment; the Sibunas discover a phonograph in the secret room and it's the last straw for Patricia when she finds intimate messages on Eddie's laptop.

The Sibunas uncover the details of a secret ceremony; the gang tries to rescue Harriet Denby.