Boundaries (audio story)

 was the third story in the audio anthology Self-Defence, produced by Big Finish Productions. It was written by Lizbeth Myles and featured Derek Jacobi as the War Master.

Publisher's summary
As his companion Cole attempts to save a world, the Master discovers an extraterrestrial entity that threatens to spread across the globe.

Plot
to be added

Cast
to be added
 * The Master - Derek Jacobi
 * Cole Jarnish - Jonny Green

Continuity
to be added