When a wildfire tears through the California wilderness, firefighter Mark Delaney and his crew discover it was no accident but a cover up for a secret government experiment gone wrong. Trapped in a forest of burning lies, they must fight to survive against both the flames and those sent to silence them. As betrayal closes in and one by one they fall, Rosa becomes the last witness, carrying proof of what truly burned beneath the red sky and the courage to reveal it to the world.