Back to his hometown, a former marshal finds his house occupied by a young woman working as a fishwife.
The relationships between a veteran marshal, his bride-to-be, a rookie and his fiancée are severely tested when the young carabiniere is temporarily sent to a distant town.
Felice Sciosciammocca, the mayor of Roccasecca, sends his nephew Ciccillo to Naples so that he will become a good doctor.