An ancient Aztec cloth with a curse accidentally finds its way into the possession of a young woman. She decides to make a dress from the cloth. Whoever wears this cloth/dress comes under its spell; all inhibitions and moral responsibilities are lost.
The host of a children's TV show is really a psychopathic killer, and when he hears stories from the kids who watch his show about the abuse they get from their parents, he starts visiting the parents and murdering them.