In a sleepy mountain town, Cindy witnesses the murder of her parents by a blood-thirsty green figure in a red Santa suit. Twenty years later, the Christmas-hating monster begins to terrorize the town once more. Cindy finds new purpose in stopping the creature and saving the holiday.

Los Angeles, 1954. When a washed up detective takes a case searching for a reporter's missing sister, he discovers solving the mystery of her disappearance is the key to uncovering the source of the zombie outbreak - and saving the city.