An advanced security system is unveiled that can harness the power of the sun to destroy any threat to Earth, from rogue missiles to asteroids. The technology is celebrated as the future of global defence - until an accident leads to catastrophe.

As a huge mass of seething solar plasma heads toward Earth, the atmosphere will be ignited in a matter of hours. Even if scientist Michael can reverse the oncoming threat, the after-effects are something even he couldn't have predicted. With chaos spreading quickly and government officials giving up hope, can anything be done to save the world?