In a strange library in the heart of Brittany, a young publisher discovers an extraordinary manuscript that she immediately decides to publish. The novel becomes a bestseller. But its author, Henri Pick, a Breton pizza chef who died two years earlier, according to his widow, never wrote anything other than his shopping lists. Convinced that it was a sham, a famous literary critic decided to conduct the investigation, with the unexpected help of the daughter of the enigmatic Henri Pick.