Identity in Doubt

"Identity in Doubt" is the tenth episode of the first series of Secret Army.

Plot
Lifeline is under pressure. Jacques and Natalie have to evaluate South African airman Noel Uys, and conclude he must be killed after finding flaws in his story. Uys threatens Natalie with a shotgun and she becomes his prisoner in a windmill. Meanwhile another surviving member of his aircrew persuades Lifeline that Uys is genuine, but the new information may have come too late.