When Mia inherits her beloved grandmother's summer cottage, Birch Thorpe, in Sweden, she faces a dilemma. Her fiance Charles urges her to sell and buy a swanky London home, but Mia cannot let it go easily. The request to carry out an archaeological dig for more Viking artefacts like the gold ring Mia's grandmother also left her, offers her a reprieve from a decision - and from Charles.

At twenty-nine, Nora Cameron's life feels adrift, her days are spent working in her parents’ bakery, and her nights are spent alone watching Hallmark movies. She yearns for something beyond her predictable existence, though she has no idea what that might be. That is, until fate intervenes, and Nora is swept into an unforeseen adventure to Scotland.

In 1760, Deborah Samson is born to Puritan parents in Plympton, Massachusetts. When her father abandons the family and her mother is unable to support them, Deborah is bound out as an indentured servant. From that moment on, she yearns for a life of liberation and adventure. Twenty years later, as the American colonies begin to buckle in their battle for independence, Deborah, impassioned by the cause, disguises herself as a soldier and enlists in the Continental Army.

Tao is an immigrant fortune teller, traveling between villages with just her trusty mule for company. She only tells "small" fortunes: whether it will hail next week; which boy the barmaid will kiss; when the cow will calve. She knows from bitter experience that big fortunes come with big consequences…

Helen Kent never dares to step outside her comfort zone. She lives a lonely, mundane life in the city, grinding through her uninspiring marketing job. That is, until a spontaneous online purchase brings her to the little bay town of Oban, Scotland, where a 500-year-old cottage full of secrets and stories awaits her. After Helen unearths the local legend of a 16th-century witch, she discovers a set of mysterious journals in the cottage’s library. Thrust into a world of magic she doesn’t understand, she soon realizes there are both light and dark forces at work beyond her control.