Julie Austin

A young woman discovers that she is the focus of an evil Nazi experiment involving selective breeding and summoned elves, an attempt to create a race of supermen. She and two of her friends are trapped in a department store with an elf, and only Dan Haggerty, as the renegade loose-cannon Santa Claus, can save them. (imdb)

A photographer kills his models.

Even the most dysfunctional family can reunite during Christmas dinner.