Se non son matti non li vogliamo

Two half brothers, one a pilot, the other a repairman at the plane factory of their father, are in a disagreement due to the envy of the younger brother, son of the first wife of their father. Then both brothers fall in love with the same woman; this causes more conflict between the two, making worse an already tense situation.

Marquis Eduardo Parascandolo, after having squandered all his possessions for not having cared about his finances, spends his time professing to some young people his philosophy of life.