On a family holiday with friends, Anna and Robert soak up the charms of a sun-drenched Mediterranean island – lazy days on the beach with their children, and evenings spent with friends at a local tapas bar.
But everything changes when five-year-old Lilly vanishes from their holiday apartment one evening. Did she wander off in search of her parents or was she taken while she slept? As the frantic search unfolds, suspicion creeps in, and even their closest friends fall under the shadow of doubt.