While Nick Cameron is returning to England from the continent with mysterious cargo in the cabin section of his small aircraft, he is thrown off-course by a severe electrical storm and loses radio contact. To his surprise and horror, he is arrested upon landing and accused of being a traitor in connection with the cargo he has been carrying - which, unknown to him, contained plutonium. Although he pleads innocent, Nick is not believed and is sentenced to a long term in prison. While in prison, he is subjected to special experimentation at a mysterious laboratory - with one unnerving, and unexpected, side-effect of the experiments being intermittent invisibility. —David McAnally
Neil Morrissey
Nick Cameron
Barbara Flynn
Me Jeffries
Lucy Akhurst
Alice Grant
Mark Womack
Joe Cameron
Peter Eyre
Forstarter
Dominic Jephcott
Dr. Chivers
Roger Brierley
Head
Shaun Prendergast
Gimson
William Chubb
Gordon Wells
James Laurenson
Moreau
Elizabeth Jasicki
Kate
Julian Sims
Jerry
Tara MacGowran
Secretary
Nadia Sawalha
Catherine
Steve Edwin
Second Policeman
