When Firedrake, a brave young Silver Dragon, learns of plans to destroy his kind’s home, he embarks on a quest to find the hidden “Rim of Heaven,” a legendary sanctuary for dragons. Joined by a lonely orphan boy named Ben and a wise brownie called Sorrel, the trio face formidable dangers—ancient creatures, treacherous landscapes, and a merciless villain named Nettlebrand, who seeks to annihilate all dragons.