When Bela’s mother dies, she is summoned to deepest Siberia to stay with an uncle she’s never met. Exploring his strange scientific workshop, she uncovers a secret she was never meant to find – a doorway that opens an to icy land, frozen in time and full of legends come to life.

But this frozen land is in danger, and it’s up to Bela to find a way to save it. To succeed, she must join forces with the impossible: a long-lost sister she never knew she had, born 40,000 years before . . .