"Men in Black II" is a 2002 science fiction comedy film and a sequel to the original "Men in Black." The story follows agents J and K as they protect Earth from extraterrestrial threats. After a powerful alien named Serleena arrives, they must work together to stop her from obtaining a dangerous artifact. In this film, Agent J, played by Will Smith, seeks out his former partner, Agent K, portrayed by Tommy Lee Jones, who has retired and lost his memory of the Men in Black. The duo faces various challenges, including quirky aliens and high-stakes action, while trying to save the planet once again.