When small town high school senior Anna Scott, loses her family in a mysterious accident and wakes up to the charming and mischievous Aaden Cross, her quiet and predictable world takes an impossible turn. Sent from the parallel universe of Everly, Aaden reveals the unimaginable secrets Anna's family have kept hidden leaving her feeling lost and second guessing everything she's ever known. Without her twin sister to turn to, Anna struggles to understand the significant role she's expected to play in Everly, and why the unlawful Valdorian clan is hell bent on taking her for themselves. But as Anna discovers the responsibilities and sacrifices that come with being a Descendant, she can't help but break the one promise Aaden needs her to keep. Now, Anna must decide between doing what's right or risking everything to follow her heart.