Erin's life has been perfect. Her dystopian society has led her to believe that nothing is wrong in the world and nothing can harm her. When Erin travels to the Forbidden Side, she sees Home has told her wrong, and she is not who everyone thinks she is. She does not exist to live in Home, she exists to destroy it. Lizzie's life has been far from perfect. First, her favorite siblings disappeared when she has five. Then, she realized she has special abilities that make her a danger to her society. Lizzie makes it her life mission to find her missing siblings and bring them back to their real home. Lizzie soon realized her life should be dedicated to something else. All Lizzie and Erin want to do is find the truth. But first they have to find each other.