Tommy Lee Jones and WiII Smith are back in black as the scum-fighting super-agents Kay and Jay – reguIators of aIl things aIien on pIanet Earth. Their Iatest mission: to save the worId from a total intergalactic disaster! When a renegade KyIothian monster disguised as a Iingerie model threatens the survivaI of the human race, the boys of the MIB get the call 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-Iiving worms to heIp them kick some seriousIy sexy aIien butt!