The story revolves around three couples who take vacations together during each of the seasons. After this pattern has been established, Nick leaves his wife of 21 years, Anne, for a much younger woman, Ginny. He proceeds to bring Ginny on the vacation trips, causing the other two couples to be uncomfortable, feeling as if they are betraying their friend Anne.
Jack Burroughs (Alan Alda). Jack is a lawyer and happily married to Kate. He enjoys asking deep and probing questions and then volunteering an answer. Jack is moralistic, expressing disapproval of Nick for leaving his wife. He competes with the more athletic Nick in dirtbike racing, soccer, and skiing. His friends and wife consider him too judgmental at times. Instead of keeping true feelings to themselves, Jack thinks it's better for everyone to clear the air, when some feelings could be better off hidden.
Kate Burroughs (Carol Burnett). Kate works as an editor for Fortune magazine. She suspects that her husband has fantasies of being worshipped by an attractive, younger woman the way Nick has, which Jack reluctantly concedes. Since she comes across as well-organized and even perfect, Kate can feel invisible and neglected.
Nick Callan (Len Cariou). Nick is an insurance salesman and estate planner. He is bored with his wife Anne......