Living secretly in our planet by assuming human form, a plethora of extraterrestrial refugees of all shapes and colors peacefully coexist with the inhabitants of Manhattan; however, the rebellious and malevolent ones are kept under control by the secret government organization called the Men in Black.

Under those circumstances, the veteran Agent K and the agency’s newest recruit, Agent J, will soon have their work cut out for them when an interplanetary visitor hatches an evil scheme to conquer the galaxy. But can two men in black suits alone avert an impending disaster of global proportions?