It’s going to be a bad night.
Look, if it’s a real ghost, the busters get custody. If it’s just a real estate developer in a costume it’s out of their jurisdiction so we gotta hand things off to these meddling kids and their dog.
what if its a high school principal summoning very real ghosts to scare away people from the school so he can search the ruins of the old school underneath it for a rare misprinted stamp?