 "After School Massacre" follows the story of a high school teacher who goes on a killing spree after being fired, stalking his former female students at their slumber party for revenge.Two high school students, Devon (Nikole Howell) and Jess Perkins (Savannah Matlow), have a crush on their teacher Ty Anderson (Bruce Kade), and they convince him to accept their friend requests on Facebook.Later, they report Anderson to Principal Wheatley (Art Roberts), saying that he made sexual comments to them on Facebook.