When the Weavers and Bird-Kersees chaperone Amber and Reggie’s school dance, Marty, Debbie, Larry and Jackie find themselves in their own “high school” dramas. Debbie’s attempt to re-create a romantic moment from her courtship with Marty backfires, and, Jackie is so fascinated with how Marty and Debbie met in high school, she believes the moment she met Larry was boring by comparison — so she tries to change history.