When their father's death leaves them impoverished, Sarah Summers and her genteel sisters fear they will be forced to sell the house and separate to earn livelihoods as governesses or companions. Determined to stay together, Sarah convinces them to open their seaside home to guests to make ends meet and provide for their ailing mother. Instead of the elderly invalids they expect to receive, however, they find themselves hosting eligible gentlemen. Sarah is soon torn between a growing attraction to a mysterious Scottish widower and duty to her family.

When Miss Rebecca Lane returns to her home village after a few years away, her brother begs for a favor: Go to nearby Swanford Abbey and deliver his manuscript to an author staying there who could help him get published. Feeling responsible for her brother's desperate state, she reluctantly agrees.

In 1715, Lady Blythe Hedley's father is declared an enemy of the British crown because of his Jacobite sympathies, forcing her to flee her home in northern England. Secreted to the tower of Wedderburn Castle in Scotland, Lady Blythe awaits who will ultimately be crowned king. But in a house with seven sons and numerous servants, her presence soon becomes known.

Alice McNeil resolved at a young age to travel through life unencumbered by love or marriage, free to make her own decisions. A seasoned telegrapher, she's recently acquired a coveted position at an important trading firm, but when the company's ambitious junior director returns to London, things begin to change in ways Alice could never have imagined. For Douglas Shaw, years of hard work and ingenuity enabled him to escape a life of grinding poverty. He's also determined to marry into high society - a step that will ensure he never returns to the conditions of his past.

Sophie Appersett is quite willing to marry outside of her class to ensure the survival of her family. But the darkly handsome Mr. Edward Sharpe is no run-of-the-mill London merchant. He's grim and silent. A man of little emotion - or perhaps no emotion at all. After two months of courtship, she's ready to put an end to things. But severing ties with her taciturn suitor isn't as straightforward as Sophie envisioned.