As Hilda and Sabrina attempt to save Ambrose, Ms. Wardwell considers a crucial move, and a violent group of witch hunters targets the Church of Night.

An ominous discovery leads to a desperate search for answers -- and a risky spell for Sabrina. Meanwhile, Father Blackwood makes a bold announcement.

Light and night cross paths once more as Greendale faces the Dark Lord's prophecy and Prudence challenges Father Blackwood's ruthless plan.

In an alternate universe, Sabrina Morningstar meets a cast of familiar faces — and investigates the thin line between fact and fiction.