Secret Army - Season 2 - Eps 6: Scorpion
Brandt receives a visit from his wife Erika, who asks him to let her and their children come to live with him in Brussels as it is becoming too dangerous to carry on living in Berlin with the increasing British air raids. Brandt tells Erika that his work in Brussels may soon be over, as he has successfully infiltrated Lifeline with an undercover agent. Word of this reaches the Candide, and Albert must face the grim possibility of killing all evaders currently in hiding to preserve the safety of the line. However, Max and Dr. Keldermans have an alternative plan to discover the identity of the infiltrator, but the scheme requires the assistance of Natalie’s uncle, Hans Van Broecken, who hates Albert and will not help Lifeline.
About Secret Army

Title: Secret Army
First Air Date: 1977-09-07
Last Air Date: 1979-12-22
Status: Ended
Rating: 7.455/10 (from 11 votes)
Language: EN
Seasons: 4
Total Episodes: 43
Network: BBC One
Genres: Drama, War & Politics
Production Companies: BBC, Belgische Radio en Televisie
Synopsis
World War II drama about covert organisation Lifeline helping allied airmen escape after being shot down in occupied Europe, working with the Resistance and hiding from the Gestapo.
Cast

Bernard Hepton
Albert Foiret

Angela Richards
Monique Duchamps

Clifford Rose
Sturmbannführer Ludwig Kessler

Juliet Hammond-Hill
Natalie Chantrens