After a police chase with an otherworldly being, a New York City cop is recruited as an agent in a top-secret organization established to monitor and police alien activity on Earth: the Men in Black. Agent K and new recruit Agent J find themselves in the middle of a deadly plot by an intergalactic terrorist who has arrived on Earth to assassinate two ambassadors from opposing galaxies.
A master thief coincidentally is robbing a house where a murder—in which the President of the United States is involved—occurs in front of his eyes. He is forced to run, while holding evidence that could convict the President.
A visiting city reporter's assignment suddenly revolves around the murder trial of a local millionaire, whom he befriends.
