Samantha accidentally summons Krampus on the darkest day of the year. Soon she gets over her shock and revels in all the ways he will punish her.
Krampus is disgruntled to be summoned after his time of year is over, but as soon as he sees the delectable witch that summoned him, his need to punish her takes over. If she takes her punishment as a good girl, he will also reward her.