A radio signal attracts a team of astronauts to a mysterious planet. Once there, they are warmly welcomed by an alien race, but are soon suspicious of what is really occurring on this strange land.
Two 17-year-olds, Werner Holt and Gilbert Wolzow, are pulled out of school and into Hitler's army. Gilbert becomes a fanatical soldier; but at the front, Werner begins to understand the senselessness of war.
Re-enacted true story of successful assault by Nazis, posing as Poles, on a German border radio station so that Hitler could "justify" thereby his invasion of Poland.