Primary school teacher Mr. Mombelli, nevertheless satisfied with his life, is driven by his wife to resign and starting a new activity. He invest all his goodwill setting up a footwear little factory. But after some time, unexpectedly, a financial review by fiscal authorities drive the firm to ruin. Ada, his wife, starts to be unfaithful and this is another strong hit to his life. But it isn't still enough, a tragedy is waiting Mombelli behind the corner.