A mysterious battle fought by the forces of good and evil is being waged within a baseball stadium. Winston is soon drafted to play on the side of good... within an individual's soul as the prize.

Long ago, Egon's ancestor Zedekiah Spengler summoned up a dragon to do his bidding. When Egon comes across the well in which the creature was put to sleep, he accidentally awakens the dragon, which assumes Egon is its father!

Simon Quegg, a selfish, insolent man, was cursed 100 years ago to never reach home, and is continually pursued by a terrible specter. When Ray is accidentally exchanged for Quegg, the Ghostbusters must try to break the curse!