Synopsis for
"Supernatural"
Malleus Maleficarum (2008)

A group of neighborhood ladies, including Tammi, Elizabeth and Renee, are witches and hold secret meetings. When one, Amanda, supposedly kills the wife of a man she was obsessed with and herself, the group still continues to meet. Sam and Dean visit Elizabeth's house posing as police detectives to question her about Amanda's death. They tell her that Amanda was involved in occult practices and she appears shocked. The boys figure out that Tammi is a demon. She puts a spell on Dean to slowly kill him. When Sam goes to the meeting to force the women to lift the spell, Tammi holds Sam against the wall with a demonic force and kills another of the women by snapping her neck with her mind. Ruby saves Dean's life by making him drink a vile liquid then surprises them with her connection to demon-Tammi.