W"It’s the height of the Palm Beach charity ball season: for every disease or cause, there’s a reason for the local luminaries to eat (minimally), drink (maximally), and be seen. But when a prominent high-society dowager suddenly vanishes during a swank gala, and is later found dead in a concrete grave, panic and chaos erupt. Kiki Pew was notable not just for her wealth and her jewels–she was an ardent fan of the Winter White House resident...