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.
Maddie confronts Mr. Martin, who flees; Janet, in Maddie's body, returns to her family's now dilapidated farmhouse, triggering memories; a conflicted Simon struggles with his desire to help Maddie and protect his own grasp on reality.
A relentless Sarah is desperate to know her daughters fate; Janet in Maddie's body wrecks havoc in the living world; Simon and friends search for Janet in an unlikely place; ghosts decode Janet's past.
Janet makes an unexpected choice; the ghosts make a discovery from their death objects; a mandatory school event uncovers tension between the living kids who are more concerned about Janet's return.
Maddie finds herself backed into a corner and must confront the life of the body she has stolen; Maddie explores the school's "scars" and uncovers intel about Janet that shakes her resolve.
Maddie and the ghosts find a link between theirs scars; Simon and team go on a mission where tensions rise with the arrival of an unexpected visitor.
Janet is finally ready to give answers; Mr. Martin hatches a plan; Maddie reevaluates her relationships with Wally and Simon; Quinn makes a discovery.
The support group faces their pasts while Claire, Xavier and Nicole uncover new information; when Maddie's body is put in jeopardy, both the ghosts and the living are put to the test.
While acclimating to purgatory at Split River High, Maddie becomes determined to solve the mystery of her disappearance; while observing those she left behind, Maddie begins to realize everyone is not as honest and loyal as she once thought.
As she grows close to the spirits in the ghost world, a driven Maddie begins to unravel the events surrounding her death, only to discover someone other than Xavier may have been involved.
With an unexpected suspect possibly involved in her death, Maddie's forced to reveal more about the depth of that relationship, leading to unexpected consequences.
When the search for Maddie's killer puts Simon in jeopardy, Maddie must navigate the school's spooky spectral underbelly alone.
As Homecoming unfolds at Split River, Maddie finds herself divided between accepting her fate in purgatory and a newly hatched plan to crack a new suspect.
Hoping to recount her last living moments, Maddie and her fellow spirits hold an anti-séance which brings to light a shocking new theory.
The spirits seek Mr. Martin for answers; Xavier, Claire and Nicole look for answers at an abandoned house; when the truth is finally revealed, Maddie must face unexpected and devastating consequences.