Le chant du Boris caché

Mathieu's mother, Elena, comes to visit the family for the first time. Boris wants to escape the singing lessons that Elena wants to give him at all costs. As always, Elena wants to do too much and this really upsets Mathieu. He loses his patience and gets stressed out because he can't discuss with his mother. With the help of Mega who gives him some psychology notions, Mathieu learns how to have a serious conversation with Elena. Finally, Mathieu explains the expression 'passer en coup de vent'.