Y/N Calvin is Charlie's 19 year old sister who loves Christmas, but just doesn't believe In Santa, no matter how much she wants to. As she spends Christmas Eve with her dad and her brother, Y/N wakes up to Santa Claus dead in the snow. What will happen when Scott puts on the coat, takes the reins, and becomes the new Santa? And what will happen when Y/N meets the Head Elf, Bernard?