A seasoned airline pilot miraculously crash lands his plane after a mid-air catastrophe, saving nearly every soul on board. After the crash, Whip is hailed as a hero, but as more is learned, more questions than answers arise as to who or what was really at fault and what really happened on the plane.

Four years after agents J and K averted an intergalactic disaster J is still working for the MIB while K has returned to the comforts of civilian life. While investigating a seemingly routine crime, J uncovers a diabolical plot masterminded by Serleena, an evil Kylothian monster who disguises herself as a sexy lingerie model. It's a race against the clock as J must find and convince K--who not only has no memory of his time spent with the agency,...