McKenna Brady thinks her junior year of high school is going to be the best ever when she's welcomed into the elite group of popular girls at Weeping Willow High School, led by blonde, gorgeous Olivia Richmond. Everything changes the night of Olivia's Sweet Sixteen sleepover birthday party. Violet, the shy, mysterious new girl in town, suggests the girls play a game called Light as a Feather, Stiff as a Board, during which she makes up elaborate stories about the future ways in which beautiful Olivia, brassy Candace, and athletic Mischa will die.