Three parapsychologists, who were cut off from their university funding, establish a one-of-a-kind ghost removal service in New York City. This service attracts clients who are both scared and doubtful. Directed by Ivan Reitman, the movie was written by Dan Aykroyd, Harold Ramis, and Rick Moranis, and stars Bill Murray, Dan Aykroyd, and Sigourney Weaver.