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Hidden | Series 3 Preview (BBC Four)

DCI Cadi John (Sian Reese-Williams) and DS Owen Vaughan (Siôn Alun Davies) return to BBC One Wales on Wednesday, March 16 at 9pm and BBC Four on Saturday, March 19 at 9pm for the third and final instalment of the hit Welsh drama. The series will also be available to watch on BBC iPlayer.

After a local man’s body is found in a remote river, DCI Cadi John gets embroiled in the case which bears the signs of a brutal and frenzied attack.

Since we last saw DCI Cadi John, her relationship with pathologist Rachel West has flourished – despite the secrets Cadi keeps from her - and she relies on Rachel to help identify the cause of death.

Nearby, a local labourer Siôn Thomas (Sion Ifan) returns home to his brother Glyn, who has Down’s syndrome. Siôn became Glyn’s carer after the tragic death of their mother years previously.

Having perpetually been let down by the various systems that should have protected them, Siôn is frustrated and wants nothing more than to provide for his brother.


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