Marshall Antonio Carotenuto comes back to native Sorrento to settle and take care of the local traffic police. Since his seafront house is rented by the beautiful widowed fishmonger Donna Sofia, Antonio arranges to rent a room at Donna Violante's house. Donna Violante secretly falls in love with Antonio. At the same time, Donna Sofia is not willing to vacate Antonio's house, and uses her charms to convince him to let her stay and make Nicolino, her love interest, jealous.