Since Amy's daughter died in a terrible accident, her family has been beset by grief. So as the first anniversary of her death approaches, they decide to take a holiday to mend their wounds. An idyllic island in Italy seems the perfect place for them all to heal and grow. But no sooner have they arrived than they discover nothing is quite as it seems - danger is lurking everywhere. As the anniversary of the little girl's death looms and things start to go wrong, shocking new details emerge that threaten to tear the family apart forever.