Five years after they defeated Gozer, the Ghostbusters are out of business. When Dana begins to have ghost problems again, the boys come out of retirement to aid her and hopefully save New York City from a new paranormal threat.
After losing their academic posts at a prestigious university, a team of parapsychologists goes into business as proton-pack-toting “ghostbusters” who exterminate ghouls, hobgoblins and supernatural pests of all stripes. An ad campaign pays off when a knockout cellist hires the squad to purge her swanky digs of demons that appear to be living in her refrigerator.
When the nefarious Dark Helmet hatches a plan to snatch Princess Vespa and steal her planet’s air, space-bum-for-hire Lone Starr and his clueless sidekick fly to the rescue. Along the way, they meet Yogurt, who puts Lone Starr wise to the power of “The Schwartz.” Can he master it in time to save the day?