After a police chase with an otherworldly being, a New York City cop is recruited as an agent in a top-secret organization established to monitor and police alien activity on Earth: the Men in Black. Agent Kay and new recruit Agent Jay find themselves in the middle of a deadly plot by an intergalactic terrorist who has arrived on Earth to assassinate two ambassadors from opposing galaxies.

Despondent over the closing of his karate school, Cobra Kai teacher John Kreese joins a ruthless businessman and martial artist to get revenge on Daniel and Mr. Miyagi.

When Nick and Jan move into their new apartment in San Francisco, the batty landlady upstairs tells them about a girl who used to live there in the 20's: a brash young party girl named Maxie, who died in a car crash the morning before her big audition for a Hollywood studio. The trouble is, Maxie, or rather her ghost, hasn't left the house. Worse, she can take over Jan's body. And the only way she's going to leave is if she gets that audition.