A Creature Was Stirring plot
Overprotective mother Faith, a professional nurse, keeps her teenage daughter safely locked in her room. She uses constant injections of methadone, their only means of curbing a fever that keeps a mysterious and terrifying condition at bay. But when two strangers invade the house during Christmas, seeking shelter from a storm, they discover that this mother-daughter relationship stretches the boundaries of both dysfunction and reality. The women hide a terrible secret: the presence of an evil house guest who won't be lurking for much longer.