When twin brothers Bill and Hal find their father's old monkey toy in the attic, a series of gruesome deaths start. The siblings decide to throw the toy away and move on with their lives, growing apart over the years.

Two Catholic schoolgirls Kat (Kiernan Shipka) and Rose (Lucy Boynton) get left behind at their boarding school over winter break as the other girls leave, where it's rumored that the nuns are satanists. Meanwhile, a disturbed mental patient Joan (Emma Roberts), an escapee, is picked up by a middleage couple (James Remar and Lauren Holly) who drive her on a determined trip to the same school, where the girls must face the supernatural and demonic possession.

In the dying days of the old west, an elderly sheriff and his posse set out to rescue their town's doctor from cannibalistic cave dwellers.

When police officer Carter (Aaron Poole) discovers a blood-soaked man limping down a deserted road, he rushes him to a local hospital with a barebones, night shift staff. As cloaked, cult-like figures surround the building, the patients and staff inside start to turn ravenously insane. Trying to protect the survivors, Carter leads them into the depths of the hospital where they discover a gateway to immense evil.

Three scouts, on the eve of their last camp-out, discover the true meaning of friendship when they attempt to save their town from a zombie outbreak.