The Glass family has spent thirteen years hiding peacefully in the sleepy forest settlement of Frostbrook where Morgan and Yale planted roots and raised their twins, Griffon and Rana. But secrets never stay hidden, and the entire Glass family find themselves the target of an unearthly attack on Frostbrook.

Now on the run from Muse Corp., they must flee to the massive city of Silver's Bay to hide in plain sight. Rana and Griffon find themselves uprooted and answering for their parents' mistakes. But, they'll soon find that the past has a way of finding you, no matter where you run.