The night after a shooting star is seen streaking through the sky from Mars, a cylinder is discovered on Horsell Common in London. At first, naïve locals approach the cylinder armed just with a white flag - only to be quickly killed by an all-destroying heat-ray, as terrifying tentacled invaders emerge. Soon the whole of human civilisation is under threat, as powerful Martians build gigantic killing machines, destroy all in their path with black...