The BAU team head to rural Oklahoma as women are being found murdered and robbed of one of their five senses. Meanwhile, JJ and Prentiss get the cold shoulder from Reid.
It's the Huangs' first Halloween in the suburbs and Louis is determined to turn their 'dead' street into a prime destination for trick-or-treaters.
It's Louis's favourite holiday, and he makes every attempt to scare Jessica into the Halloween spirit, but she is buried in her word processor, drafting her first horror novel.
Jack keeps getting himself into trouble, so Dre chaperones the twins' school dance to keep an eye on him. Elsewhere, Junior fights with his girlfriend after she thinks he spends too much time taking care of Devante.
Rox's former step coach arrives at the hospital with the local team after a pyramid stunt goes wrong. Noa pleads with Leanne and Campbell to try any other method before performing an emergency hysterectomy on a young teenage girl.