On a peaceful hilltop campsite in the heat of summer a private plane crash-lands. Several are killed and many more lives are shattered - including those of the Gale family who own the site. For single parent Cathy Gale her everyday struggles are eclipsed by the tragedy as her boy Albie is one of the victims. He hangs onto life while 18-year-old sister Nell who was meant to be looking after him is overcome with guilt. As DS Ali Samson leads the investigation locals are scandalised to learn that the amnesiac pilot has plans to stay on in the community. As dark secrets come to light teenager Nell goes into freefall. What is it she's so desperate to conceal? And exactly who is the Unknown Pilot?
