Beta at MipTV has unveiled a visually dazzling first trailer for period drama “La Storia” that will be Italian pubcaster RAI’s biggest event show this year.

The sweeping eight-episode saga is based on a globally bestselling novel by the late great Elsa Morante – whom “My Brilliant Friend” author Elena Ferrante often cites as her primary literary reference – set during the final years of World War II and its immediate aftermath in Italy...