Ray Lonnen played the role of barrister Lucas Hellier, who goes to Germany to defend a British soldier accused of defecting to the East.
Other notable characters included Hellier's wife Samantha (Isobel Black) and his mistress Annika Newman (Sabine Postel).
This is possibly due to ongoing rights issues after the production company, TVS, lost its ITV franchise at the end of 1992 and subsequently went through a number of take-overs.
This problem affects the majority of the TVS programme archive as much of the original production paperwork and sales documentation has been lost during the intervening years.
According to Kaleidoscope's TV Brain website, the entire series has been wiped from the archives[3] even though the same organisation listed it as existing in full as recently as 2010, in their British Independent Television Drama Research Guide 1955-2010.