Celestia, a time-traveler and GAP-crosser, has finally made it back to her own time in the 31st Century, barely escaping with her life. But why has Laken--a young man she met when lost back in the 22nd Century--been sent with her, 900 years into his future? Can she trust Lakenâ€"after some of the things he did to her in their past? And can either of them protect their friends and family from a sinister dark force that appears to be rising?