 Gwyn Marcus (Sarah Jessica Parker) has always wanted a marriage like her parents. She has just accepted the proposal of her boyfriend Matt, but she has misgivings about their future together. Her fear of commitment grows as she learns of the various affairs that her family is having. With her sister getting married and her brother already married, her mother is growing concerned about Gwyn s being the last single person in the family. But the more she thinks about marriage, the more she must search for the balance between career, marriage and family.