Major German wine merchant checks up, with his romantic side agenda, on his oenologist Sandra in Sicily where she must find him an extraordinary claret, preferably from a local grape varietal. She refuses to 'settle for' the "nero d'avola" presented by local wine tycoon Vincent, but after running from his 'excessive flirting' after dinner accidentally finds in a grocery shop the right stuff, In Vino, alas without clues to the supplier. Stumbling upon a beached-up man, whom she brings to hospital as "Robinson" Sandra gets a crush on the amnesiac mystery compatriot and meets local commissioner Velani, who suspects an illegal refugee or crook but wants to help defeat crooked Vincenzo, thus provides tips where to look for the winemaker. He turns out to be Vincenzo's old neighbor and hereditary feud rival Ludovico Veritas, whom he sabotages by bribing the waterworks. She hesitates to tell Robinson he's identified as family father Bruno Haller until her brother Jens Brinkmann, whim she ...