Allie Sheridan has a checkered past. She’s been arrested — twice. Her parents have had enough, so they send her to Cimmeria Academy, a boarding school far from her friends in London. Allie thinks Cimmeria is just another boring school, but there’s something different about the Academy and the students who attend. The elite members of the school’s secret society, Night School, seem to be up to something sinister. And Allie is determined to figure out what . . .