Agent K (Tommy Lee Jones) explains alien/human relationships to Jay (Will Smith). #WillSmith #TommyLeeJones #meninblack Watch the full movie! https://play.google.com/store/movies/details/Men_In_Black?id=d6dZ8RXahC0 Men in Black follows the exploits of agents Kay (Jones) and Jay (Smith), members of a top-secret organization established to monitor alien activity on Earth.