Mary struggles to get George back under her control. Mercy and her acolytes flex their growing power.
Increase gets closer to understanding who really runs Salem. Anne finds herself in danger, and Alden may be the only one who can save her.
Alden finds himself the target of fresh accusations. Anne learns the truth about her father.
Allegiances are broken and Salem's fate is tested as Alden's trial begins.
Alden learns Mary's biggest secret, and Mary discovers a new one of her own.