It's heavily implied that the woman is Agatha and when the two have a private moment together, that is confirmed but when Agatha goes to kiss Rio, before the two women can reconcile, Rio drops a bomb ...
There has already been a reference to Agatha's evil son - eagle-eyed viewers will notice that, when Agatha returned home in episode 1, she stood in a child's room, complete with a drawing signed with ...
After Wanda abandoned New Salem, Nicholas took over as leader, and felt betrayed by his mother's decision to leave the cloistered little magical world. As such, he sent a batch of New Salem witches ...