This melodrama tells the tale of a great battle between the French Foreign Legion and the rebellious Arab tribe, the Tuaregs, who fight it out upon the blistering Sahara sands.
A man is sentenced to prison for a murder he did not commit. Thanks to a serum invented by his brother, he manages to become invisible and escape from prison in order to prove his innocence, while his brother works feverishly to find an antidote.
Jean-Paul is a Frenchman who yearns to live in communist Czechoslovakia. His wish is granted when, mistaken as a masseur of a French boating team, he manages to elude the democratic authorities long enough to scamper over the Czech border.
1958: during the Russian campaign, a military priest is called upon to assist Private Baranowski, who has been sentenced to death for desertion, on his last night.
May 1940, a mother is on the run with her two little girls. Due to a lack of gasoline she can't go far and harbours her children near a Lourdes grotto.