Every December, Brick and Jane Parsons welcome their grown children back to Nantucket for the Christmas Stroll and the glittering house party they give each year.
Lydia, a successful hospitality professional, is divided between the career she has built in New York and her new relationship with an immensely wealthy cosmopolitan boyfriend.
Florence, the ambitious middle child, is deeply in love with a handsome poet who wants her to move to his hometown in Wisconsin.
Lucas, long the family's golden boy, has decided to change careers and fears how his father will react.
Holiday crowds, carolers, and bright shop windows fill the island as the siblings meet old friends and lovers along the tree-lit Main Street.
On the night of the party, champagne and Christmas canapés cannot hold back private news, strained feelings, and choices that will test the family's love.