Twins Brandon and Brenda begin school at trendy West Beverly High after moving from Minnesota. Brandon joins the newspaper staff and meets Andrea Zuckerman, the intelligent and devoted editor. Brenda is befriended by snobbish Kelly, who picks her as a chemistry lab partner to avoid being paired with a fat girl. Brenda discovers that she doesn't have the right look to fit in at this new school, and starts to plan a drastic change. Marianne, a rich but reclusive girl uses skywriting to invite the entire school (minus freshmen, of course) to a party at her mansion, complete with a live rock band. Freshmen David and Scott crash the party, and drunken Steve insists that David drive him home. After delivering Steve to his door, the unlicensed David accidentally damages the car, prompting a now sober Steve to begin a frantic search for the culprit. Meanwhile, Brandon connects with the withdrawn but beautiful hostess, Marianne, and asks her for a date. Used to wealthy rich brats, she is stru