Poucette ou le plus jeune détective du monde - Épisode 1: En plein mystère

Chabuche, Radium and Valentin create an secret police association called The Black Clover. They are looking for Jean, a missing child in Brittany. Poucette, Cabuche's adopted son, decides to look for him too. Once there, he meets Anaïk, a 7 year old girl who helps him enter the castle where the three sleuths are already investigating. Just when Valentin thinks he has discovered Jean's murderer, the kid reappears.