Jen is at her wit's end. Her fifteen-year-old daughter has just been found after going missing: four days lost and alone in the desolate countryside. Lana won't talk about it. The police think the case is closed. But Jen can't leave it alone. Lana is acting strangely: she stops going to school, she sleeps with the light on. With her daughter increasingly becoming a stranger, Jen is sure the answer lies in those four missing days. But will Lana ever reveal what happened?