Auzou Book for one lie too many for moustache

This morning, Moustache and Médor decided to go fishing! But on the way, the kitten loses his friend's favourite ball. To avoid trouble, Moustache says the first thing that comes to his mind: a lie! Thinking he can get away with it, he continues his day happily, but he will soon be caught up by his mistake... Will Médor forgive him for lying?