Season 1 was proof of concept, IMO.
Season 2 should simply hit the re-set button. New location, new ghosts, new situation if need be. All it has to be is "American".
The bottom line is that they've proven that the ghost story can work as a serial if the actors have the chops for it and the source material is good enough.
I think we've seen the last of the Harmons, demon-spawn child and all.
"Tact is the ability to tell someone to go to hell in such a way that they look forward to the trip"