San Francisco, 1904. Georgia Briscoe, a young woman from a good family, is unwillingly betrothed to businessman Drew Kemp when she falls for handsome British sailor Ellis Cowper. Drew had the charm to dazzle everyone around him, but when the couple are married, it soon transpires that Drew's charm is only skin-deep, and that he is in fact a greedy gambling addict with a penchant for other women, including Georgia's maid Maura and jealous sister Prudence. When Georgia and Maura fall pregnant, both women decide to escape to be with the men they love, providing Prudence with an opportunity to seize Drew - and much more besides. London, 1948. When Chrissie Kemp travels to the Lake District to visit her grandmother Georgia, she is not prepared for the shocking revelation that is about to throw her family into turmoil. As a last act of vengeance on her death bed, Prudence claims that Chrissie's mother Vanessa and her late father Aaran are brother and sister. As the truth unfurls, the passion, emotion and astounding love that occurred in San Francisco forty years ago is revealed, and three generations of the family are tested to their limits.