Australian-born Robyn is determined to put the remaining pieces of the family tree into place. Two years after her father's death, she and her mother return to England. Upon reaching Cornwall they pluck up the courage to visit Roskenner House, the former home of Robyn's great-grandmother Josephine. The mansion is now owned by artist Raven Garstang, and she and her partner are intrigued by the history of the Trethewey family. They all take a boat trip to Hogshead Island, where Josephine met the love of her life, James. But before long Robyn falls madly in love. Will the search for her ancestors take second place to her infatuation?