In the trailer, fans meet Teresa (Jenna Dewan-Tatum) and Leo (Adam Levine), newlyweds taking a haunted honeymoon tour. Their last stop? Briarcliff. And so begins the flashbacks.
There's lesbian reporter Lana (Sarah Paulson) clashing with Sister Jude (Jessica Lange), experiments and so much more jammed into the one-minute trailer.
"American Horror Story: Asylum" premieres Wednesday, October 17 at 10 p.m. ET on FX.