Two high school students visit their senior-year history teacher, Mr. Anderson, to retrieve a confiscated hat and resolve a social media issue. However, their request sparks a chain reaction, leading to his firing and a violent rampage that claims the lives of the principal and an innocent secretary. Meanwhile, a group of friends plan a sleepover at Jess's house, unaware of the danger lurking outside. As the night unfolds, they must navigate the threat of Anderson's killing spree while trying to stay safe and avoid a repeat of a tragic past incident.
After School Massacre
A disgruntled educator, recently terminated from his high school job, embarks on a violent rampage, targeting his former female students at a slumber party, exacting a twisted form of revenge.