A businessman is nicknamed "L'avvocato" and his driver, Oscar, is a yes-man. When L'avvocato has a crash while driving his car, Oscar is put in jail in his place. When Oscar gets out, he finds himself married to the beautiful Maria, but he can't even touch her: she is l'avvocato's lover. Afterwards Oscar is appointed manager, but he can't manage a dime. At the end he shall find himself again in jail, hoping that his "sissignore" (yessir) will let him have, sometime, a driver to send to prison in his place.