In the teaser, a man tells a newspaper reporter that he is going to have to kill his wife because she is a witch.

As the episode begins, a couple is driving through slow-moving traffic in a blinding snowstorm.

The police arrive because one car is blocking traffic.

The officer tells the lady in the car to move it. She says she can't because she doesn't drive. She says that her husband just stepped out of the car to clean snow off the back window.

The problem is, he is not nowhere in sight. He seems to have stepped out of the car and simply disappeared.

When he does turn up, stories don't match, and something far more sinister starts to emerge. 