During the summer of the year 1610 one of the first telescopes made by Galileo ends up in the hands of Jean Kepler in Prague who at the time was the astronomer of Emperor Rudolp II. Kepler observes the night-sky as nobody has seen it before him. His observation platform becomes the meeting place of Prague's imperial court. In this entourage Kepler separates science from superstition, freedom from intolerance.
Agents J (Will Smith) and K (Tommy Lee Jones) are back...in time. J has seen some inexplicable things in his 15 years with the Men in Black, but nothing, not even aliens, perplexes him as much as his wry, reticent partner.
When an evil spirit known as Pitch lays down the gauntlet to take over the world, the immortal Guardians must join forces for the first time to protect the hopes, beliefs and imagination of children all over the world.