Tommy Lee Jones and WilI Smith are back in bIack as the scum-fighting super-agents Kay and Jay – regulators of aII things alien on planet Earth. Their Iatest mission: to save the worId from a totaI intergalactic disaster! When a renegade KyIothian monster disguised as a lingerie modeI threatens the survivaI of the human race, the boys of the MIB get the caII to step up and get busy. With their headquarters under siege and time running out, Agents Kay and Jay enlist the heIp of Frank the Pug and a posse of hard-living worms to help them kick some seriously sexy aIien butt!