You never know who you will meet in the halls of the Hotel.

Featuring Lady Gaga, FX has released the first “American Horror Story: Hotel” trailer that gives us our first look at the guests checking into the fifth installment of the Emmy and Golden Globe winning franchise.

The 13-episode season premieres on FX on October 7th.

Here’s the season’s plot that came courtesy of EW:

“Built in 1930 by the rich and charming but deeply psychotic James March (Evan Peters), the beautiful art-deco hotel is, in actuality, a labyrinthine structure built to hide March’s murderous activities (think dead ends, secret rooms, endless shafts). This echoes America’s first serial killer, H.H. Holmes, which we detail here.

“In regards to Gaga, the show shifts to present day, where the Cortez is acquired by Gaga’s Countess, described by the site as “a glamorous socialite who attends art openings and fashion shows and maintains her looks not from a steady diet of kale but from imbibing human blood.”

“The Countess is also insatiable when it comes to love and sex, which sets up a macabre love triangle between her, the similarly blood-hungry Donovan (Matt Bomer) and the newly turned male model Tristan (Finn Wittrock).

“Also gravitating around the world of the Cortez are Ramona Royale (Angela Bassett), an actress/former lover of The Countess’ seeking revenge; Iris (Kathy Bates), Donovan’s mother and the front desk clerk; Liz Taylor (Denis O’Hare), a cross-dresser nicknamed by The Countess; Hypodermic Sally (Sarah Paulson), a junkie and friend of The Countess; Detective John Lowe (Wes Bentley), a cop investigating a murderer named the Ten Commandments Killer; and The Addiction Demon, a creature in the vein of Rubberman or Bloodyface, who has no eyes or mouth but does wield a nasty, conical drillbit dildo.”