Rose Ferraby visits Orkney to discover the rich history of a stretch of coastline on the small Island of Rousay. She joins archaeologists from the University of the Highlands and Islands as they travel through the rugged landscape and varied timescales of Rousay's coastline, from prehistory to clearances. They chart the legacy of ancient islanders and uncover stories hidden within the island's brochs, tombs, churches and farmsteads