A giant robot dinosaur attacks New York City, specifically targeting the Metal Men and Doc Magnus. The creature seems unstoppable as it pursues the team relentlessly. Platinum recalls how the dinosaur originally appeared as a small charm sent by a secret admirer before mysteriously coming to life and growing to enormous size. When the dinosaur finally captures Magnus and the Metal Men, they discover the mechanical beast is actually a spacecraft that transports them to a distant planetoid, where they meet the creature's mysterious robot master who has specific plans for Platinum and Magnus.
