Susan and Bruce Miller move their family to a wealthy Chicago community as America celebrates its bicentennial. As neighbors welcome them to the neighborhood, the Millers soon discover that there is a sexual revolution going on and the question is, do they join in or keep to themselves.

Bruce's great day is capped off by going to a party with his wife Susan and the Deckers at the Playboy Club. Janet begins to understand how great her friendship with Susan is as she tries to get to know her new neighbors.

Susan and Bruce plan their housewarming party and Susan asks Janet for help in the hopes of fixing their friendship. Unfortunately, Trina has some very different ideas for the party including a fondue setup and a very big guest list.

When the Thompsons have a change of heart about going to the Millers' cabin, Susan asks the Deckers to join them. The weekend gets off to good start but then the Thompsons decide to surprise them by showing up anyway.

Susan goes against Bruce's wishes when she decides to go to the fundraiser at the Deckers to help raise money for the star of the controversial film who is having legal trouble.

Susan's plans to help her husband's career backfire at the Ladies Auxiliary luncheon, but Janet is the one who makes a lasting impression. Trina runs into her old high school sweetheart at the luncheon making Tom wonder if there is more going on than just going down memory lane.

Tom decides to throw a last minute pool party during a heatwave without consulting Trina first, who is still mad at her husband for his recent affair. Susan lends an ear when Roger loses his job and Bruce gets closer to his co-worker, Melinda.

Trina throws her annual "Puzzlerama" party where the clues for the game are the neighborhoods darkest secrets.

Tom and Trina try a closed relationship just as Susan and Bruce open their's to Brad and Sylvia. Unfortunately, the foursome is interrupted by Laurie and Doug Stephens.

Bruce plans a family trip to the cabin but Laurie has other ideas about keeping her plans with Doug. Roger and Janet start seeing a therapist.

Susan and Roger get taught how to line dance from Tom and Trina, while Janet gets a job with a local newspaper.

Susan and Roger plan a surprise party for Janet but end up sharing more than just party ideas.

In the season finale, all three couples, Tom and Trina, Roger and Janet and Bruce and Susan, face decisions about their respective marriages as they attend the Deckers's end of summer clambake party.