Kent 1816. Now Molly Dawson's family have grown up and left home, she has every reason to expect that life with her husband, Charlie, will settle into happy contentment. It seems, though, that her estranged half-sister, Harriet, has other ideas. When the secret Molly has kept for over 25 years is revealed in front of her whole family, Molly's relationship with her son and her husband begins to crumble. And when she takes a trip away from home to allow things to settle, Harriet steps in - with devastating consequences. Will Harriet prevail, or can Molly win back Charlie's heart, and heal the rift with the son she had been parted from for so many years?