Dinosaurs have been extinct for 65 million years until now. When a lab experiment goes wrong, the dinosaur fossils at the Field Museum come back to life. The dinosaurs force the city into utter panic. The dinosaurs seem to be unstoppable and unmatchable. The dinosaurs are much more intelligent and better than their original selves. A small group of humans must figure out a way to stop or we, the human race, will be replaced.