Although recently made redundant, nurse Holly Fraser decides to spend some of her savings on a Christmas coach tour in Scotland. When the tour reaches the Callender Hotel, several people mistake Holly for a Mrs MacEwan. Furthermore, Ian MacEwan arrives to take her to the Hall, convinced that she is his wife, Carol! Although Ian despises Carol for having deserted him and their two small children, two-year-old Lucy needs her mother. Holly stays to help the child, but finds herself in an impossible situation.