Mary and her coven are at odds; Alden and Cotton come across a dangerous witches' relic.
Alden worries when an old nemesis arrives in Salem with secrets that could destroy him; and Mary loses her grip on Mercy.
An inmate goes off the rails after receiving damning medical news.
A stagecoach is attacked by Apaches and Bret's lady friend is killed. General Frye and his troops ride into town to hunt down the renegades who are responsible but Philo Sandeen insists that the crime was committed by white men.moreless