In the 12th century, Brother Antoine and Brother Vincent decided to leave their monastery and return to the world to help people find joy. Armed only with their enthusiasm, they face all kinds of adventures, making their journey a voyage of initiation. La Coquille de l'Escargot is the first part of a diptych.

Mickaël, a pig farmer in rural France, finds his search for an amorous connection interrupted by the sudden return of the charming and youthful Paul.