What Happened at Seacliffe_{Nuance Readers Level4}

Cully Robinson is visiting the English village of Seacliffe, trying to find where one of her ancestors is buried. Cully is surprised to learn that she has distant relatives living in Seacliffe today and they are very wealthy people. When Cully investigates the family history, she learns of a crime that has been hidden for almost two hundred years a crime that changed the lives of everyone in the family. Its clear her relatives dont want the truth to be known. But why? What did happen at Seacliffe all those years ago?