Holed up on a ranch in Texas, the Renegades are recouping after their Arctic adventures. But a bout of mysterious fires soon sees them fly off to the Amazon, where deadly fire-breathing creatures called Flamejantes are destroying the rainforest. Katelyn, Mo, and Leon must team up with local indigenous activists to stop them. And it looks like something—or someone—sinister is behind the creatures' sudden appearance... Combining urgent issues about the climate emergency and exciting new superheroes with unique powers, this graphic novel is not just a gripping adventure but an important discussion of climate change and its potentially devastating consequences.