Spikorouleus, or Spike for short, is on the run from a dangerous enemy to his realm at the center of the Earth, Nurtog. He retreats to the surface world for help, but Nurtog follows and nearly kills him. Meanwhile, the Ghostbusters are at a function by request of both the tourism committee and the city when they get a page. Egon and Ray go to investigate and find Spike being held by immigration and the NYPD. Unfortunately for them, Nurtog has found him too, leaving Egon and Ray caught in the middle of their feud!