New Year’s Day, 2008 — 15-year-old Amy Fitzpatrick vanished into the night on Spain’s Costa del Sol. After leaving a friend’s house just before 10 p.m., she set off on a short walk home… but never arrived. No trace of her has ever been found. One moment she was there — the next, gone. But it is only the beginning of this bizarre case over the next 17 years.