Following the success of her bestseller about marriage, the psychologist Patricia Agnew has an annual tradition, where she reunites with her three friends and their husbands for a week vacation. They begin to discuss their marital relationships which are full of complicated drama.
In an attempt to work on their marriages, four couples reunite in a week-long retreat in the Bahamas, but things take an unexpected turn when the ex-husband of a recently remarried wife arrives to win her back.