The movie begins with Klaatu (Keanu Reeves) arriving on Earth in a massive spaceship. He is sent to Earth to assess humanity's worthiness to continue existing, as their destructive behavior poses a threat to the universe. Klaatu decides to take the form of a human and assumes the identity of "Klaatu Barada Nikto."
The movie begins with a prologue that showcases the destruction of the environment and the chaos caused by human activities. Klaatu, an advanced alien being, decides to visit Earth to assess humanity's worthiness to continue existing. He chooses to land in New York City, where he encounters a professor named Helen Benson (Jennifer Connelly) and her stepson Jacob (Jaden Smith). The movie begins with Klaatu (Keanu Reeves) arriving
