"American Horror Story: Coven" promo: "When witches don't fight, we burn"

Until now, the previews for "American Horror Story: Coven" have been big on creepy imagery but short on plot. But a new one has surfaced online that sheds a bit more light on what we can expect from the spooky series.

"When witches don't fight, we burn," warns Fiona (Jessica Lange) a witch so powerful she's known as a Supreme.

There are also glimpses of Taissa Farmiga as Zoe, one of the young students at a New Orleans school for witches, Angela Bassett as voodoo queen Marie Laveau and Kathy Bates as serial killer Madame LaLaurie.

"Coven" premieres Wednesday, Oct. 9, on FX. Its predecessor, "American Horror Story: Asylum," leads the nominees for this Sunday's Emmy Awards, with 17.

Watch the promo below: