In the mystical realm, a powerful dragon named Drago, voiced by Sir Patrick Stewart, forms a sacred bond with King Gareth. Upon the King's passing, his twin grandchildren, blessed with inherited dragon powers, engage in a fierce struggle for the throne. As the "Heartfire", the source of Drago's strength, is pilfered, the siblings must put aside their rivalry and harness their magical abilities to prevent the kingdom's downfall.

Dragonheart: Battle for the Heartfire
A powerful dragon named Drago seeks to reconcile warring siblings who possess dragon-like abilities, all while facing a new and formidable threat that puts its own strength in jeopardy.