After Jack's wife passes away he is asked by their friend, Ellen, to fulfill a promise his wife made a long time ago. Reluctantly, Jack agrees and, along with Ellen and her granddaughter Dani, the three return to Hethpool Grange - a forgotten hospital in Northumberland - to confront a dark and brutal past. A past Jack has tried for almost sixty years to forget. But there is something waiting for them in Hethpool Grange. Something which has...