Julien and Emma are brother and sister, living in rural France with their father, who writes children's books. Julien is a gifted pianist but the loss of his mother has sucked the joie de vivre out of him; his best friend Alice knows it although their platonic relationship is more about him supporting her in bad relationship choices than anything else. When he sees a beautiful woman called Olga in a bookstore, Julien is smitten and sets about to set up someway of impressing her and winning her affection.
Trapped in their New York brownstone's panic room, a hidden chamber built as a sanctuary in the event of break-ins, newly divorced Meg Altman and her young daughter Sarah play a deadly game of cat-and-mouse with three intruders - Burnham, Raoul and Junior - during a brutal home invasion.
Everyone's favorite novice wizard, Harry Potter, continues his high-flying adventures at Hogwarts. This time around, Harry ignores warnings not to return to school - that is, if he values his life - to investigate a mysterious series of attacks with Ron and Hermione.
Joe Enders is a gung-ho Marine assigned to protect a "windtalker" - one of several Navajo Indians who were used to relay messages during World War II because their spoken language was indecipherable to Japanese code breakers.