The Top Secret Life of Edgar Briggs

The Drawing (1x10)

Data di messa in onda: Nov 29, 1974

Informed that someone at the Naval Section is selling vital missile drawings to the enemy, Briggs enters into a game of roulette with the suspect and discovers that the secret information has been incorporated into the design of a £5 note - one which Briggs hands over to the croupier as a tip.