The Discord (1978)

Guillaume has made it: A machine that can clean dirty air by simply sucking all dirt into air balloons and then shipping them far far away so his explanation. Some Japanese business guys, after dinner with a lot of alcohol, order 5,000 pieces. His only problem: His production capacity is way to small so he gets to produce the machines in his private house. His wife Bernadette is far from being happy about it. Her private life goes down the line so she decides to leave Guillaume and to finally have revenge she candidates for major against her husband…