by Rod Beacham
with Geoffrey Collins as David Pargeter
Pargeter, a senior civil servant, has vanished, and the only clues to the mystery are to be found in his diary. It reveals Pargeter as a man under increasing mental and emotional strain. It also reveals that he knows there's a traitor in their ranks. Could this knowledge have led to his death?
(Repeated: Mon 3.2 pm)