Two strangers who both happen to be in marketing, share a room at a bed-and-breakfast when a snowstorm strands their flight in Montana on Christmas Eve.
In the town of Dillford, humans, vampires and zombies were all living in peace - until the alien apocalypse arrived. Now three teenagers-one human, one vampire, and one zombie-have to team up to figure out how to get rid of the visitors.
It's graduation weekend, and Sandy Channing, the popular class president of her small-town high school, should be enjoying the time of her life. But when her friends start disappearing, Sandy discovers they have unwittingly awakened the vengeful spirit of a girl they wronged long ago. Fighting for her sanity, Sandy must unlock a dark secret from her own past before it's too late.