This Thing of Darkness, Series 4, 4. Involuntary Breach

This Thing of Darkness

Series 4

4. Involuntary Breach

24 February 2026

43 minutes

Available for over a year

by Frances Poet with monologues by Eileen Horne.

Part Four – Involuntary Breach

As the pressure builds within the secure unit housing Kathleen and Abi, Kathleen’s daughter returns to the table for family therapy. She’s about to come face to face with Abi who is intent on destruction.

And in turn, Abi will face Alex who has a very different interpretation of Abi's apparent psychopathy.

DR ALEX BRIDGES ….. Lolita Chakrabarti

KATHLEEN ….. Maureen Beattie

LINDSAY ….. Helen Mackay

ABI ….. Anna Russell-Martin

DANIEL ….. Nicholas Karimi

Production Coordinators: Rosalind Gibson and Ellie Marsh

Sound recording : Andy Hay and Fraser Jackson

Sound Design: Fraser Jackson

Series Consultant: Dr Gwen Adshead

Series format created by Lucia Haynes, Audrey Gillan, Eileen Horne, Gaynor Macfarlane, Anita Vettesse and Kirsty Williams.

A BBC Audio Scotland Production produced and directed by Kirsty Williams

You’ll find details of help and support with dementia related issues at bbc.co.uk/actionline