For some, high school was paradise. For others, it was an unforgettable nightmare. Twenty years after graduation, 16 classmates from Chaparral High School's Class of '89 reunite on the tropical Hawaiian island of Kauai to relive their high school glory days. The Football Star, The Nerd, The Cheerleader, The Ladies Man – they're all back and things haven't changed as bitter rivalries resurface and old flames reignite.