When Dewi Morgan arrives at Polrudden Manor, it is to find a disappointing welcome. She had expected to take up the position of governess to Nathan Jago's son, Beville but Nathan is determined to have a local girl for the post. It takes a dramatic rescue for Nathan to have a change of heart and by then Dewi's gentle ways and sense of fun have made her a favourite with the entire household. Cornwall in the early years of the nineteenth century is a place of social upheaval and change. With the welfare of the villagers always at the front of his mind, Nathan is eager to build a proper harbour at Pentuan, which will bring increased prosperity and trade. But there are those who think an ex prize fighter has no business as Master of Polrudden... There are disappointments, too, in affairs of the heart. Nathan is much taken by Sir Kenwyn Penhaligan's beautiful niece Abigail, but she has given her affections elsewhere, though is eager to extend the hand of friendship. And meanwhile Dewi makes herself an indispensable member of the household, trying to disguise her growing affection for the handsome Cornishman who is her master...