Alors que le Directeur vient sensibiliser la classe au retour des poux, Petit Spirou se rend compte qu'il en a déjà ! Il fait alors tout pour se soustraire au match de rugby qu'il doit disputer, s'imaginant arriver en combinaison de plongée ou avec la boule à zéro...
When the Principal comes to talk to Spirou’s class about headlice, Little Spirou realizes he already has them! He tries everything to get out of the rugby match he's due to play, and imagines arriving in a diving suit, or with his head shaved... But that's not the right solution to this problem. Little Spirou ends up going to the school nurse, and discovers there's a really easy fix-it for headlice: shampoo! They really weren’t anything to worry about!