Knocked out of orbit by a rogue comet, the asteroid Vesta rockets towards Earth, to pass by in a heavenly display of fire. Dubbed the party of the century by the media across the planet, thousands gather in cities to watch the spectacle and party until dawn. A miscalculation sees Vesta crash into Earth and vaporising the Greenland and Arctic ice sheets. The world is devastated. A wall of water smashes its way through...