
After having clawed her way back to life, Maddie is haunted by visions, and driven by her unfinished business. Meanwhile, her bestie, Simon, is stuck in the purgatorial state that exists in Split River High. He becomes obsessed with uncovering the school’s secrets: chiefly, why have so many perished at the campus? And what has Mr. Martin, the ghosts’ longtime mentor, been hiding? The closer Maddie, Simon, and their pals get to the truth, the more questions they unearth – and the more peril they put themselves in …

Maddie's return upends Split River High; as she adjusts, not everyone welcomes her back; Simon is trapped on the other side while the ghosts search for answers and dark new secrets about the school emerge.

Split River High grows volatile as Maddie faces mounting pressure; buried truths and new dangers are revealed that could change everything for the living and the dead, forcing some to question who they can trust.

New mysteries at Split River High force Maddie, Simon and the ghosts to choose between leaving the past alone or exploring it and triggering unseen dangers; as Nicole joins a new circle, Simon and Wally take a risky leap for answers.

A detention day unearths Split River's buried secrets and hidden history.