Amanda Ross and Leah Anderson are visiting Aunt Jenny who owns an old house on the island. But something is not right. A mysterious woman, who seems to have stepped out of the past, keeps appearing, Leah's father hasn't contacted the family for some time, and Aunt Jenny's house may have an uninvited guest.

Amanda is intrigued by this picturesque island, often called Little Scotland. She watches exciting sheepdog trials, attends a lively ceilidh, makes friends with the locals, and visits the mystical Holy Island. Join Amanda as she tries to solve the mystery of the strange woman and the disappearance of Leah's father. Will the past catch up with the present?