Twenty-year-old Tally Greyson isn't consumed with her own education, social life, or career goals like most young women her age. Instead, she's trying to save her mother from the grasp of a seductive cult. What Tally doesn't realize is that in this community, there's a far greater danger than any she can imagine--and she and her mother aren't the only ones in its sights. There are plots brewing here that will threaten the fate of the world. Concert...