Partly, at least. Using clues from the journal, Lucy narrows the suspects down to two nineteenth-century Texans, one of whom is the ancestor of present-day U.S. senator Daniel Applewhite. But when Gus publicly outs the senator as the descendant of a murderer—with the accidental help of Lucy herself—and her former co-worker is murdered protecting the daguerreotype, Lucy will find that shaking the branches of some family trees proves them to be more twisted and dangerous than she ever thought possible.