Sam's life is changing rapidly, she thought that it couldn't get any worse then all of these changes, but that changed when she found a note in her backpack, threatening her family and friends. The only way she can save them is to find something that everyone thought was only a myth. The Mimes Box.
Carter had life going fairly well, has a great dad, and little sister. He had a few.... bumps in the past, but now his life almost couldn't be better. When Sam asks him to join her on the journey, he eagerly accepts. After all, it does get him out of school. But along the way, he notices that Sam is keeping something from him, the only question is, what?
When the journey begins, Carter is as chipper as ever, but Sam is still worried about the letter. What if they don't make it in time? Sam tries to clear away thoughts like that, but why shouldn't she be worried? She also worries that taking Carter with her will put him in danger, but who else would she trust to help her?
In the epic conclusion to the Devil's Deal series, Freya has one final chance to discover the full potential of her own power, and to use it to restore balance in the universe - once and for all. After the destruction caused by Roisin, Ferya and Torix come to terms with their losses and mistakes... And prepare for a final battle that will change everything.