The story of the sentient oak tree continues as Thorn, Paxton and Tucker go back into The Chords to unravel more of their past, and future lives. Having recently discovered that he was the founder of the Bahai religion in his last incarnation, Thorn pushes farther into his past to reveal many other extraordinary lives. Meanwhile Paxton tries to find a way to retrieve the knowledge contained in his past life as Albert Einstein so that he can continue his work on Unified Field Theory while Tucker struggles to save Thorn from the impending clear-cut on Blueberry Hill.