In the year 1703 The Great Storm swept across the land and seas of southern England, killing over eight thousand people and destroying much that stood in its path. Over forty years later Simon Hyde's brother Tom died, presumed drowned in an accident. How could Tom's drowning be linked to the death of three of the victims of that storm so many years before; and how could Simon's determination to find out how and why his brother died unleash murderous forces on him and his family in an effort to protect a secret that no-one was supposed to know?