Pietro Rossini is a strapping young man that unfortunately spends most of his time at work chasing after two pretty young secretaries who are only too happy to return his advances. Tired of this endless chase and work waste, his boss sends him on an errand to Paris hoping this will help...
Inspector Dubois investigates burglaries carried out by the Barbus gang. He tracks down the criminals and shoots some of them dead, before discovering that one of them is his brother.