Who is Carla von Ulrich?

Carla von Ulrich is the daughter of Maud and Walter von Ulrich, and sister to Erik von Ulrich. Carla is a sweet, kind, brave, and heroic girl, who, together with her parents, opposes the rise of Nazism in Germany. Carla falls in love with Werner Franck, the older brother of her best friend, Frieda. Carla and Frieda both become nurses, smuggling intelligence and first aid supplies to doctors, and to the spy network that Werner manages. Carla even goes so far as to gather hold of intelligence for the network herself, and she even kills a German officer attached to the upper echelons of the German war machine in order to resist the Nazis.