The film focuses on life in a World War II German penal battalion camp somewhere in Russia. The convicts include a heroic doctor unjustly convicted of avoiding military service, an officer who retreated against orders, and common criminals. It shows their life in the camp, clearing mines, living in trenches on the front line.

Documentary based on the book by Erich von Däniken concerning the ancient mysteries of the world, such as the pyramids of Egypt and Mexico, ancient cave drawings, the monuments of Easter Island, etc., and the fact that these things and modern civilisation could have been influenced by extraterrestrial visitations hundreds (or perhaps thousands) of years ago.