Herr Flick's uncle, Heinrich Himmler, orders him to recover the forged money which Renandeacute; and company stole from the bank. Herr Flick and Von Smallhausen disguise themselves as fishmongers to see if anyone is trying to spend forged money.
Michelle has spent some of the money on a trip to the hairdressers and Monsieur Alphonse has been given it in his change. Monsieur Alphonse is arrested when he spends some of the forged banknotes.
The long distance duck is sent off on its journey to England.
In this spoof of World War II, Renandeacute; Artois runs a cafandeacute; in German-occupied France. He always seems to have his hands full: He's having affairs with most of his waitresses, he's keeping his wife happy, he's trying to please the German soldiers who frequent his cafandeacute;, and he's running a major underground operation for the Resistance.