Herr Flick and Von Smallhausen are hiding inside the landmines. The Germans recover the mines, take them back to the airbase. Later they're loaded into a plane and dropped over England, with Herr Flick and Von Smallhausen still inside.
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.