In this supernatural drama, John Alden returns to Salem in 1692, after years away at war, to find his hometown in the midst of a witch panic and Mary, the woman he left behind, married to another man.

With witch fears rising, Alden seeks the truth of what is really going on in Salem. Mary looks to execute a plan.

When Mary discovers who was witness to the witches' ceremony, she deliberates a course of action to take.

An old nemesis of Alden's arrives in Salem with secrets that could destroy him. Mary loses her grip on Mercy.

Mary finds herself in disagreement with her coven. Alden and Cotton uncover a dangerous witches' relic.

John and Cotton take advantage of a rare stellar occurrence in order to interrogate a captured witch.