He tells her that she will be sent to France as a secret agent, and if she's caught, she's going to be shot.

I'm Helen Obalam Carter, and this is history's secret heroes, where I shine a light on extraordinary stories from World War II.

What they wanted was someone to get themselves arrested and sent to Auschwitz.

Tales of deception, an incredible acts of resistance and courage.

She was a born soldier.

She's a freedom fighter in its widest sense.

The brand new series of History's Secret Heroes.

Listen first on BBC Sounds.

I'm Mark Stephen.

I'm standing here with you in McElwraith

and Helensborough Pier.

It is a breezy, quite fresh day, I have to say.

Sun shining in the Clyde.

It's really quite burning.

There's snow in the hills up there.

We're just about to embark

on something of an adventure.

Muir himself, the only way he could get across the river was to ford it and sometimes he was just carried away in the stream

so he wrung his clothes out when he could land on the other side

if he ever got to the other side,

hung about a bit to try and flap him around and dry him off,

put them back on and walked again.

...