It is right before the Yule ball, and your now ex has just dumped you for a different girl. You are rightfully upset as your so-called enemy Tom shows up and says, for one night, let's not be enemies, and let me take you to the dance. Your ex is an idiot to leave you for her. So, as you are dressed impeccably already, you take Tom's arm to go into the Yule ball with him as your sudden date.