Marie-Thérèse fête les Vignerons.

The Fête des Vignerons is opening its doors to Swiss comedians and searching for that rare gem for its 2019 edition. While artists from the new generation are rushing to audition, Marie-Thérèse Porchet doesn't understand why she should stoop to auditioning, as she is so certain that she alone embodies the spirit of the legendary Vevey festival. Will she achieve her goal despite stiff competition?