During preparation for Harbor High's annual winter dance, Ryan plans to asks Lindsey, but she declines. Seth tries asking Alex, but she does not do school events since she dropped out of her own. So, Ryan and Seth end up asking out Marissa and Summer for old times sake. Meanwhile, Julie finally finds out about Marissa's fling with D.J., and Sandy investigates Caleb's secret by questioning Renee Wheeler about her past history.
The castle used in the film is an actual Italian castle owned by the president of Full Moon Pictures, the distribution company.