It's the end of seventh grade for Kevin and a summer full of changes in his life. Mr. and Mrs. Cooper are breaking up and Miss White announces she is going to get married.
Kevin, Winnie and Paul try to stop the destruction of Harper's Woods. This is the place where Winnie and Kevin kissed for the first time and a place they all played together when they were younger.
When Kevin's birthday party is scheduled for the same day as Paul's Bar Mitzvah, Kevin feels put out, but also becomes interested in family traditions.
Kevin and other students on the student council try to organize a walk out to protest America's involvement in Vietnam. Mr. Diperna threatens to mark it down on their permanent records if they do it.
Kevin wants to know if Winnie likes him or Kirk. Kirk wants to know if Winnie like him or Kevin. Becky punches Kevin when she finds out he doesn't really like her.
Kevin continues to pine for Winnie, but is becoming frustrated with being alone - especially as Paul has Carla. Even though he's just looking for someone to make Winnie jealous, he ends up boyfriend to Becky Slater.
Kevin and his brother try to convince their Dad to buy a color television. Kevin tries to find a present for Winnie after she unexpectedly gives him a present.