12 O'Clock High - Season 2 Episode 29 Siren Voices

On a bombing mission to Focke Wulfe Factory in Marienberg, East Prussia the 918th is attached by fighters and loose 9 AC & 100 men. The 966th was hit the same way yesterday. Gallagher's radioman overhears the German and Gallagher gets the idea of trying to confuse the Germans by broadcasting on that frequency. . When the group lands they find out that everything on the mission was broadcast by the ""Danzig Lady"". Sandy is dating an English girl, Helen Graham. Seeing her react badly to the ""Danzig Lady"" , Her father is a retired Major in the Royal Welsh Fusiliers. Helen Graham is really Helen Conboy and her sister Patricia Conboy is the ""Danzig Lady"". Sandy reports it. British Intelligence says it will ask an agent to find out the information. The agent speaks to their contact, a waiter who is being watched by the Gestapo. The waiter is killed by Gestapo agents.