Let us see, when you have a group of proven escape artists, and you don't want them escaping any more, what do you do?
Oh, you send them all to the one supposedly secure facility so they can all combine their talents and come up with even more impressive methods and escapes.
Pretty much that is a lot of what happened at Colditz, it seems. An excellent look at the ingenuity of some prisoners of the Germans.
4 out of 5