A streetwise NYPD detective joins a secret organization that polices extraterrestrial affairs on Earth. Men in Black follows the exploits of agents Kay and Jay, members of a top-secret organization established to monitor and police alien activity on Earth. The two Men in Black find themselves in the middle of the deadly plot by an intergalactic terrorist who has arrived on Earth to assassinate two ambassadors from opposing galaxies. In order to prevent worlds from colliding, the MiB must track down the terrorist and prevent the destruction of Earth. It's just another typical day for the Men in Black.