On a night of frost and ice, Cari falls from the sky, cast out of her world and into ours - and Australia's Cassidy Heights will never be the same. For the secrets she bears are more dangerous than Jake, Keira, and Mikhal could possibly imagine. It's an unusually cold winter, but 15-year-old Jake is more concerned with the ice forming in his dad's new relationship and the fact the girl he likes is dating his best...