In 1957, Peter Kubelka was hired to make a short commercial for Schwechater beer. The beer company undoubtedly thought they were commissioning a film that would help them sell their beers; Kubelka had other ideas.
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.
Armando Conforti, his family and his friends have a business: they sell souvenirs near St. Peter's, in Rome, they change dollars, in short they get along.
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.