The discovery of the Fire Realm poses a challenge as the Dragon Riders struggle to traverse it safely. Meanwhile, the unhinged Buzzsaw is on the lookout for a mysterious "Lightning Bird" making it harder to keep dragons a secret. Tom, Jun, D'Angelo and Alex face off against the most powerful dragon they've ever encountered in a high-stakes mission to save the Crystal Realm. And much to everyone's chagrin, Jun's pesky, nosey brother is coming uncomfortably close to learning what actually happens in Dragon Club.[src]
Much to Jun's chagrin, Eugene finally discovers the secret of dragons and demands to become a Rider, but he must bond with a dragon before he's let into the group.
When the Riders discover that Magma Breather is very sick, the only way they can help is to sneak the huge and heavy dragon into the ICARIS infirmary without being caught by any of the scientists.
