During the War of 1812 against Britain: General Andrew Jackson has only 1,200 men left to defend New Orleans when he learns that a British fleet will arrive with 60 ships and 16,000 men to take the city.
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.