Concealed Weapon (audio story)

 was the forth story of the audio anthology, The Diary of River Song: Series Five.

Publisher's summary
A deep space exploration mission nears its end – when suddenly, the crew start to die.

River must try to protect her colleagues and work out what else is on board their ship.

Something is stalking them, and the deadliest Master of all has his own plans for River Song...

Plot
to be added

Cast

 * River Song - Alex Kingston
 * The Master - Derek Jacobi

Continuity
to be added