A woman who is researching alien abductions for a book receives increasing reports of nocturnal attackers who are described as resembling Santa Claus. She enlists the aid of a scholar of mythology to see if the legend of Santa has a darker side, and what she discovers is more horrifying than she could never have expected.

A woman reports her alien abduction story, but hypnosis reveals that her nocturnal visitor was a man dressed like Santa. Was she dreaming, or is there more to the story?