For Pierre Brochant and his friends, Wednesday is “Idiots' Day”. The idea is simple: each person has to bring along an idiot. The one who brings the most spectacular idiot wins the prize. Tonight, Brochant is ecstatic. He has found a gem. The ultimate idiot, “A world champion idiot!”. What Brochant doesn’t know is that Pignon is a real jinx, a past master in the art of bringing on catastrophes...

Vice-Chancellor Bartley Humbolt has problems. His young university is almost bankrupt, his wife is threatening to leave him, his protege professor from industry is threatening to overshadow him, and his prestigious professor of history is threatening to resign. But Bartley is a born manipulator. And when he gives a dinner party, he has something very special in mind - for afters.