Martin Blank is a hitman for hire. When he starts to develop a conscience, he botches a couple of routine jobs. On the advice of his secretary and his psychiatrist, he decides to attend his ten-year high school reunion in Grosse Pointe, Michigan.
Australian good girl Sandy and greaser Danny fell in love over the summer. But when they unexpectedly discover they're now in the same high school, will they be able to rekindle their romance despite their eccentric friends?
Rick is a Los Angeles County lifeguard who is in his thirties. At his 15-year high school reunion, he sees his old girlfriend who is now a divorced mother. After falling in love with her, Rick considers changing his career and lifestyle.
Felix and Mark are close to being invited to a party after school. Problem is — they need to bring their own alcohol. With zero experience, they enlist the aid of Ethan, but things don't go as planned, leading Felix and Mark into an argument that puts their friendship hanging in balance.
Close friends Edwin and Steven advise each other on dating and drama — based on zero experience — while seeking a space to hang after school.
Peggy Sue faints at a high school reunion. When she wakes up she finds herself in her own past, just before she finished school.
Shallow, rich and socially successful Cher is at the top of her Beverly Hills high school's pecking scale. Seeing herself as a matchmaker, Cher first coaxes two teachers into dating each other. Emboldened by her success, she decides to give hopelessly klutzy new student Tai a makeover. When Tai becomes more popular than she is, Cher realizes that her disapproving ex-stepbrother was right about how misguided she was - and falls for him.