Throughout the season, Maddie Nears is still stuck in the afterlife with the knowledge of what happened to her, and must unite her friends in the spectral and living worlds in order to reclaim her stolen life.

School Spirits focuses on Maddie Nears, a teen stuck in the afterlife who decides to investigate her mysterious disappearance alongside a group of other students who are also stuck in limbo at their high school. Maddie goes on a crime-solving journey as she adjusts to high school in the afterlife, but the closer she gets to uncovering the truth, the more secrets and lies she discovers.