This is the situation: a young woman and man, aged 17-19, are travelling together in France in 1943. They are both German citizens but on the run from the Nazis: the woman because she is Jewish and is on her way to meet the rest of her family in Poitiers, the man because he has defected from the Wehrmacht and will be executed if caught. The route is Metz-Paris-Poitiers. The woman has genuine papers: she has a German name and is not known to the German authorities as Jewish. The man has forged papers under a false name.

I take it that the woman could travel by train without a problem because her papers are genuine; she does not look Jewish and she has a good cover story if questioned. She is perfectly bi-lingual. He speaks a little French and native German.

The man is problematic. I guess I can't let him travel officially by train? I was thinking of giving him a legitimate reason to be in France as a young German and not in the Wehrmacht. It's no problem for him to get forged papers -- could he be a (medical) student? Were students exempted from conscription? Were they exempted in Germany? I think they must have been, remembering Sophie Scholl and her brother and their friends -- all students.

Thanks for any suggestions!
They have links to the Resistance, and I could have them being helped South by the resistance network. The man is actually an escort for the woman as she has never left home before, so I can't separate them for too long.