The Purple Sea
Viola di Mare (original)
Starring Valeria Solarino, Isabella Ragonese, Maria Grazia Cucinotta, Ester Cucinotti, Ennio Fantastichini, Corrado Fortuna, Marco Foschi, Lucrezia Lante della Rovere, Gionata Maiorca
Watch "The Purple Sea" on Amazon Prime released in 2009. It's a drama and history movie, and has a rating of 6.6 out of 10 from Imdb which is usually fine for this kind of movie.