Travelling salesman Enrico Gaia decides to play a trick on the conceited ageing litt?rateur Mario Samigli: he dupes him into thinking that a representative of a prestigious Viennese publishing house wants to commission a German translation of a long-forgotten novel Samigli had written and published at his own expense forty years ago. This leads the old man to reach new heights of self-delusion, spurred on by Gaia's succession of ruses.