Dee, Murray and Sean travel to see Cher hoping to convince her to return. Then Amber also arrives wanting the same thing. The group uncover a serious crime, which ends up with Mel receiving a large reward. It's back to their old home.
She is smitten by a new boy at Bronson Alcott High School, who also happens to be a gorgeous international model. Unfortunately, he happens to be a smoker. When he offers to quit for her, she is determined to help him.
Mel hires a pest exterminator to rid the Horowitz home of a squirrel. The exterminator turns out to be the former shop teacher Mr Hubley, who Cher and Dee got sacked. It turns out to be an eventful day.
It's Christmas time and Cher finds a new BMW in the garage. Thinking it's hers. she takes it for a drive and has a minor accident. Murray takes her to a body shop man who sees the virgin Mary in the dent. Then things get complicated.
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.