When shadowy U.S. intelligence agents blackmail a reformed computer hacker and his eccentric team of security experts into stealing a code-breaking 'black box' from a Soviet-funded genius, they uncover a bigger conspiracy. Now, he and his 'sneakers' must save themselves and the world economy by retrieving the box from their blackmailers.
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.