Matt, Becci, Sophie, and Nathan are a bit of a foursome, even though Matt and Sophie are a real couple, and Becci only wishes that Nathan would notice she's not just Matt's little sister. They're all looking forward to the themed fancy dress party they're going to, getting in to the Christmas spirit, laughing, and drinking. They have?futures, dreams, and lives ahead of them--nothing can spoil their fun tonight. But icy roads and a moment of lost concentration...