An ‘80s “mean girl” ghost named Stephanie, who died on her prom night, is awakened in the attic, triggering Sam to confront what happened on her own prom night. Also, Alberta discovers she has another special gift.

When teen ghost Stephanie, who lives in the attic, awakens to find that her crush Trevor is now dating Hetty, she decides to sabotage all the relationships at Woodstone.

When Sam and Jay leave the ghosts home alone for the weekend in an attempt to have a romantic getaway, shocking revelations are made about two of Woodstone's beloved spirits.