- The film follows the grandchildren of Egon Spengler as they move to Summerville out of nesseccity.
- Grooberman turns out to be the only living descendent of Ivo Shandor. He is lured to the town by the the childrens headmaster who is leader of the cult of Gozer. The entire town are followers of the cult.
- The cults temple is situated in the mines under the town.
- Callie grows close to Phoebes teacher Mr Grooberson. They will become the cults new Gatekeeper and Keymaster
- Egon moved to the town in the 90s after the collapse of the Ghostbusters. When the temple of Gozer was destroyed in 84, the gateway to the Gozer dimension was only closed. The energy generated from the events still pulses in the Selenium mines under Summerville. Egon moved there to wait for a re emergence of the gateway but he died. He left instructions and equipment for his family in the old farmhouse as well as a way to contact the remaining Ghostbusters should anything happen
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