Cornwall, England. 1914. Twin sisters Winnie and Dora are accustomed to conflict. Their fisherman father has always been a controversial figure, stirring up resentment among the locals for his modern fishing techniques. His only ambition for his daughters is to see them married well, but his plans do not include Dora falling in love with local miner's son Davy. Winnie marries wealthy businessman Nathan Zeal, whose cousin attractive older widower Zachariah shows an interest in Dora. Winnie encourages the match, and fate and family conspire to put an end to Dora's romantic hopes and her beloved job. When the Great War intervenes in all their lives, Dora, for the first time, attempts to forge a life that she wants. But can it include Davy?