Cher is organising her own birthday party when Dee and Murray upset things when they have an acrimonious break up. Dee makes it worse by forcing Cher to choose between Murray and herself. Cher does her best to get them back together.
It's the annual Bronson Alcott High valentines day dance. Amber becomes engaged to an elderly millionaire, and Cher and Dee feel that they must stop the marriage. Murray and Sean date a couple of unusual girls.
Cher is assigned to tutor the school's basketball star to bring his Art grades up to an acceptable level before the championship game. She is amazed as he discovers his artistic side, but she also finds a downside.
Dee's new boyfriend starts liking Cher instead and they kiss. This causes a moral dilemma for Cher. When she tells Dee they part company, until Amber steps in. Murray and Sean sign up to be on a TV reality show.
Cher is upset when she is not accepted into Stanhope University. The problem is her English teacher, Mr Pimmler, who excels in putting students down. When she confronts him, he has a heart attack and dies.
Cher and Dee are at Amber's house doing homework when they find her parents in the middle of fight, which ends in divorce proceedings. Their subsequent antics makes the gang determined to get them back together.
Amber finds herself in traffic court and is found guilty. As part of her punishment, Amber has 100 hours of community service. This involves mentoring a young girl, a job for which she enlists the help of Cher and Dee.
The class is about to graduate and Dee is the valedictorian. However, she is finding it hard to come up with a subject. Sean is seen on TV coming out of his house, which is outside the Bronson Alcott High school zone.
It's the end of high school and the group are going separate ways. Dionne is particularly upset that Murray is going away to Africa and so she decides to get back with him. They end up spending the night together.