Then Alex meets an enigmatic stranger who tells her the truth: She is a Descender, capable of traveling back through her fifty-six past lives by accessing Limbo, the space between Life and Afterlife. Suddenly, descending back in time is irresistible to Alex, especially when the same mysterious boy with blue eyes keeps showing up in each of her past lives.
But someone out there really doesn't want Alex meddling with history. And they will stop at nothing to make sure her fifty-seventh life is her last . . .