Strange phenomena surface around the globe. The skies ignite. Terror races through the world's major cities. As these extraordinary events unfold, it becomes increasingly clear that a force of incredible magnitude has arrived. Its mission: total annihilation over the Fourth of July weekend. The last hope to stop the destruction is an unlikely group of people united by fate and unimaginable circumstances.

The Men in Black have always protected the Earth from the scum of the universe. In this new adventure, they tackle their biggest, most global threat to date: a mole in the Men in Black organization.

When the videotape of the murder of a congressman unknowingly ends up in the hands of labor lawyer and dedicated family man Robert Clayton Dean, he is framed for the murder. With the help of the mysterious Brill, Dean attempts to throw the NSA off his trail and prove his innocence.