On a hot July day, thirteen year old Lindsay Mathieson walked along the shore, past the rocks and out of sight. For ever. Thirty years later, a new crisis draws her family back to that familiar beach, and to memories too long buried.

The last thing Frances wants is a phone call from Alec, the husband who left her for her sister thirteen years ago. But Susan has disappeared, abandoning Alec and her daughter Kate, a surly teenager with an explosive secret. Reluctantly, Frances is drawn into her sister’s turbulent life.