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 young pilot narrowly escapes the destruction of her home in a stolen ship, only to be followed by the colossal cockroach responsible.

Daisato, a second-rate, third-generation superhero, annoys his neighbors with the noise and destruction he causes on the job. But a heroic public image is the least of his concerns. Besides defending Japan from bizarre monsters, he must deal with an agent seeking to brand him with ads, a superhero grandfather with Alzheimer's and a family embarrassed by his incompetence.

A cockroach's infestation triggers a rift in the relationship between Ingrid and her fiancé. Haunted by terrifying hallucinations, Ingrid spirals into doubt and finds it difficult to distinguish what is real and what is not.