Clive Thompson heads for Whitley Bay caravan park to finish writing his novel. He's never had a caravan holiday before and is warmly greeted by the manager, Liz Mathews, who lives on the park. She is single and cares for her ninety year old mother who has Alzheimer's Disease. Clive meets the people in neighbouring caravans and has an amazing view from his veranda over the sea to St. Mary's Lighthouse. However, Audrey goes missing during the night...