A newly engaged couple's ski weekend goes horribly awry, when an unexpected guest arrives and the house's dark supernatural forces begin to rise.

Jessica, a young, up-and-coming filmmaker in Hollywood has made a name for herself directing Christmas movies. But when handsome network executive Christopher shows up threatening to halt production on her latest movie, Jessica’s assistant, Reena, points out the irony: Jessica isn’t just trying to save her Christmas movie, she’s actually living in one. Jessica must now juggle all the classic tropes—her actors falling in and out of love, a wayward elf dog, and her own stirring romantic feelings for her perceived nemesis—in order to get her movie and her life to their happy endings.

17-year-old Zoe Hull uses her wits, survival skills, and compassion to fight for her life, and those of her fellow classmates, against a group of live-streaming school shooters.