Summer is hectic for Annie Darling. Sun and scorching temperatures bring swarms of tourists to her mystery bookstore for beach reads. But the Broward's Rock Fourth of July dance is just around the corner, and the island is buzzing with excitement -- Shell Hurst included. Shell is the kind of woman wives wish would just disappear. But when she does, and a teenage girl is the only one who seems to notice, Annie can't help but feel like someone should be looking for her.