Michael, Paula, Nicholas and Joanne are the children and only surviving members of the Dupois family. Their father has died recently, and that, coupled with the death of their mother some six years previously has drawn them close to each other. This closeness helps them through some difficult times, not least in discovering that their father's debts results in them having to sell the large family home in York and move to Lyme Regis to live in an old dilapidated house, Greystones, bequeathed to Michael by an uncle. They are young adults, but they live in an age of relative innocence. Their fortunes change when they discover, with the help of a long dead relative, secrets hidden within the old house. This, coupled with finding out that their father's investments weren't so hopeless after all allows them to plan their futures. However, their innocence and their plans are abruptly shattered by the onset of the Second World War. They all serve their country in their own way, always with the bedrock of the family to support them through difficult times, until Greystones once again becomes the hub of the Dupois family.