For fans of HBO's The Gilded Age, the glorious mansions of Newport house many mysteries--murder, theft, scandal--and no one is more adept at solving them than reporter Emma Andrews . . . 1901: Back from their honeymoon in Italy, Emma and Derrick are adapting to married life as they return to their duties at their jointly owned newspaper, the Newport Messenger. The Elms, coal baron Edward Berwind's newly completed Bellevue...