On the banks of the river Deben in Suffolk lie ancient Anglo-Saxon barns. Their walls have secrets, which have lain buried for centuries. When Zoe and Ken move into one of the converted barns, they seem happy. But they grow more distant by the day. Meanwhile, the strange presence Zoe feels within their home, and the ghostly shapes she sees through the mists on the river, grow harder to ignore. Nearby, farmers are ploughing the land beside the river, and human bones are found. Are they linked to the Victorian tragedy the locals whisper about? What is the secret of the grassy mound, untouched for centuries? Its disturbance now seems to have devastating consequences. The river is ready to reveal its bloody secrets...