Lorenzo is the mayor of a small town. One evening, returning home, surprised the well-known playboy Ghigo Buccilli who tries to seduce his beautiful wife. Enraged, he threatens the two with a gun, and Buccilli is the victim of a heart attack: the man survives but, forced to total rest, remains at the mayor's house. The result is an endless series of gags and misunderstandings, due to the stratagems devised by Lorenzo to avoid that the situation becomes the subject of gossip by fellow citizens ...