Affluent 1970s couple Susan and Bruce Miller move their family to a Chicago suburb, anticipating a new life of barbecues and kids on swings. When they meet new neighbors the Deckers, the Millers realize the kids aren't the ones doing the swinging. As for former neighbors Janet and Roger Thompson, she's shocked by what she witnesses when she visits Susan, but Roger is titillated by all this sexual freedom. It's a soapy time capsule of an era marked by open marriage and women's liberation.