Book 2 of the series "Fairytales Aren't Real", Katie and her fairytale friends are trapped inside the Fairytale Storybook desperately searching for Ms. Sierra AKA her new persona, The Siren. She has a sinister plan to take over the book via some mysterious artifact called the "Key Of Fairytales" and it's up to Katie, the Chosen, to stop her. It's hard enough that Katie is starting to have doubts of who she is, she also will face a figure of her past and have to choose between her childhood crush, present crush, and ex-boyfriend.