When the sixteen-year-old runaway Chap is mistaken for a missing boy named Cassiel, his life changes dramatically. Chap takes on Cassiel's identity, gaining the family and friends he's always dreamed of having. But becoming someone else isn't as easy as he hoped--and Chap isn't the only one hiding a secret. As he teeters on the brink of discovery and begins to unravel the mystery behind Cassiel's disappearance, Chap realizes that he's in much deeper...