MYSTERIOUS DEATH OF: Jeannette Bishop May & Gabriella Guerin

In 1980, the ex-wife of a British aristocrat and her Italian friend vanished from a small ski resort town during a snowstorm in the mountains of central Italy, and investigators had a simple theory—they got lost and had some kind of accident. But when mysterious messages arrive, clues lead them on a decades-long deep dive into the art world jet set, the mafia underworld…and even the Vatican.