A young girl discovers she possesses a strange genetic affliction tracing back to the dark days of Salem; Fiona Goode returns to town.

Fiona helps Zoe and Madison deal with a horrible tragedy; Delphine LaLaurie struggles to adjust to modern life; Cordelia faces a dark decision about her family.

Fiona takes on an unlikely protégé; a guilt-ridden Zoe tries to give Kyle his old life back; Madison has a fiery exchange with Joan Ramsey.

Fiona's choices rattle a decades-long truce between the Salem witches and Marie Laveau; the Council of Witchcraft pays a surprise visit to the academy with disturbing allegations.

Zoe, Queenie and Nan make contact with a dark spirit trapped in the academy; Cordelia's new power brings on a heartbreaking revelation.

Fiona finds purpose in a dangerous love affair; Queenie questions her place in the Coven; Cordelia makes a decision about her mother.

Cordelia rallies the girls in the fight to stop Fiona; a dangerous new enemy puts Misty in the cross hairs; the rivalry between Marie Laveau and Delphine comes to a head.

Cordelia's attacker is revealed. Fiona looks to form an alliance with Marie Laveau. Nan learns a disturbing truth about Luke's past.

Fiona attempts to out the new supreme with a visit from Stevie Nicks; Cordelia learns the truth about Hank and the witch hunters; Madison tries to eliminate her competition for the supremacy.

Fiona and Laveau have a deadly face off with The Corporation; Cordelia makes a desperate sacrifice.

Cordelia's latest vision puts the coven's future in question; the girls manifest powerful new gifts; Queenie's search for Marie Laveau leads her to hell and back.

A new Supreme rises.