Wallace University--and specifically, the Kappa Kappa Tau sorority house--may just be the most dangerous places to be this Fall when Scream Queens debuts on FOX.

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In the first full-length trailer for the new series from Ryan Murphy, the horror that will face the already pledged sisters of the sorority, and the pledges they are forced to accept because of a new rule from the college's dean (Jamie Lee Curtis), will be gruesome, brutal and bloody.

The carnage begins after the sisters, Chanel (Emma Roberts), and her followers, Chanel #2, #3 and #5 (Ariana Grande, Billie Lourd and Abigail Breslin) bury their new pledges-- Grace (Skyler Samuels), Hester (Lea Michele), Zayday (Keke Palmer), Kaya (Breezy Eslin) and Gigi (Nasim Pedrad) in the backyard with only their heads poking out, in a hazing prank. However, things suddenly take a drastic turn for the worse when one of the pledges faces a horrific death when a lawn mower runs over her head.

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"Somebody just mowed off a girl's head in our backyard," Chanel #5 says after the incident. "We're terrified."

And the horror only continues from there--as someone in a devil costume begins to terrorize the group inside their stately home--and even extends to the fraternity where several of their boyfriends have pledged.

However, even private security may not help these doomed girls--after one of the two guards they hire is found in her car with a knife sticking through her throat.

"Shantelle WHY YOU GOT A KNIFE IN YOUR THROAT?!?!?!" Neicy Nash (Denise) screams.

And as the trailer promises--it appears that No One is really safe at that house.

Scream Queens debuts this Fall on FOX.

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