SuzanneBeulemans`sfiancé,SéraphinMeulenmeester,oncetellsherthathehas...amistressanda...son!ThebadnewsfallsratherwellthoughgiventhatSuzannehasdevelopedafondnessforAlbertDelpierre,ayoungFrenchmanwhohascometoBrusselstostudythebrewingmethodsofherfather.ShedecidestobreakupamicablybutSéraphindoesnotdareadmitittohisfather,whobecomesangrywiththeBeulemanses.Suzanne`suncle,avicar,triestosettlethewholethingbutthecoronationofKingAlbertIgivesrisetorenewedresentment.Suzannefinallyfindsthewaytosolvetheproblem:shetakesMeulenmeesterapart,remindshimofhisownmisconductwhenhewasayoungman,askshimtoforgiveSéraphinwhileherownfatheracceptsAlbertashisson-in-law.