With French and Sister Hilda captured, Erskine and Haber look for a way to rescue them. Meanwhile, Cato is asked to rescue a group of children from a prison camp where they are being held. It turns out that French and Sister Hilda are taken to the same camp where the children are being cared for by an elderly woman. When Dr. Brookman betrays Erskine and Haber, they are all captured. French manages to escape and is rescued by an American pilot who had been shot down. Through his efforts, all the captives manage to escape.