The Keep (audio story)

 was the second story in the fourth series of Counter-Measures.

Publisher's summary
For many years Sir Toby has used the Keep — the most secure and secret prison in England — to hide away incredibly dangerous threats to the country. But now two prisoners are attempting to escape — and they're not the only ones.

Plot
to be added

Cast

 * Group Captain Gilmore - Simon Williams
 * Rachel Jensen - Pamela Salem
 * Allison Williams - Karen Gledhill
 * Sir Toby Kinsella - Hugh Ross
 * Templeton - Philip Pope
 * William Heaton - Richard Hope
 * The Captain- Oscar Pearce
 * Sergeant West/Shurik Barkov - Dominic Rowan
 * Professor Jeffery Burridge - Adrian Lukis

Continuity

 * Broderick's actions at the Sen-Gen Facility are mentioned, and used on him to sedate him. (AUDIO: Artificial Intelligence)
 * Allison has fully recovered from her ordeal at her father's farm (AUDIO: The Forgotten Village) thanks to the substance she was forced to ingest at New Horizons. (AUDIO: New Horizons)