It is the near future and signs of an impending global disaster are multiplying. Earthquakes, floods and volcanic eruptions sweep the earth. As the storms and tempests rage, a series of ominous events signal the emergence of a new and terrifying force.

While scuba-diving on the Great Barrier Reef a diver watches fascinated as a tiny light floats past him towards the surface. Moments later he is torn to pieces as the reef erupts with colossal power. On the banks of the Ganges, a young boy pauses from his back-breaking labours, transfixed by the play of a mysterious light amidst the monsoon rains, before a towering geyser of boiling water bursts from beneath the streets, scalding him to death.

In the Chinese city of Kashi, travellers bring back reports of a strange light seen shining above the endless dunes of the Taklimakan Desert. And as the city's inhabitants watch for its return, the desert rises up to engulf them in a tidal wave of sand. All have seen a portent.

A sign of unimaginable powers about to be unleashed. A sign that something incredible is about to begin...