After misbehaving all night at a Christmas celebration, young Hans hears the story of Krampus, the legendary demon known to punish children when they've been naughty. Little does he know what awaits him when the lights go out.

Dr. Neal Goodman enables terminal patients' right to die through the practice of mercy killing via his one-of-a-kind device. But when he sets out to fulfill a mother's request to euthanize her 'terminally-ill' daughter, he discovers that his procedure is the crux of an elaborate cult ritual that tests his ethics like never before.

Macy and John are nearing the end of their relationship. Mandy and Steve just had a one night stand. Then an infectious outbreak starts turning people into cannibals. Now each of these survivors must deal with their issues as they attempt to survive the outbreak. Low on food, no law enforcement, infected cannibals eating people in the streets, fear grows of what is outside and what might come through the door next.