Amy is only 13 years old when her mother is killed. She goes to Canada to live with her father, an eccentric inventor whom she barely knows. Amy is miserable in her new life... until she discovers a nest of goose eggs that were abandoned when a local forest was torn down. The eggs hatch and Amy becomes "Mama Goose". When Winter comes, Amy, and her dad must find a way to lead the birds South.

During the 70's, some Komodo Dragon eggs were dumped on an North Carolina island. Somehow, the baby Komodos survived, and twenty years later they have grown up and taken over the island for themselves. Young Patrick has lost his parents and his dog to the lizards, but didn't see them himself, which has left him traumatized. Now, with his therapist Victoria, they return to confront his fears.