An ancient Martian spaceship is unearthed in London, revealing powerful psychic effects on those nearby. Initially mistaken for an unexploded WWII bomb, the craft is discovered during subway construction. Scientists uncover that the Martians initiated human evolution to create better slaves from apes. The spaceship emits mental energy, inciting violence in people. Accidentally releasing a destructive monster on London, the scientists face a deadly challenge. One of them sacrifices his life to destroy the creature. Experience this gripping tale of alien influence and human survival.