Summer Solstice is a collection of love stories all set in the beautiful surroundings of the wild Scottish Highlands. Sam and Carrie's newly formed business empire is struggling. The exclusive Rhives Castle Hotel isn't attracting enough guests and The Langmore and Highland Gazette, the local newspaper which they own, has run a potentially libellous story concerning best-selling author, Alexia White. On top of everything Carrie has news which surprises Sam. Elfrida gets her big break when she is offered a small part in a soap opera, however, this is going to mean more time away from her beloved Oscar. Meanwhile Lucinda, The Countess of Rhives, is enjoying her new found lease of life away from the burden of running the castle.