Maddie searches for clues on how to reunite with her body. Janet goes on the run; a conflicted Simon struggles to protect his own grasp on reality.

As the ghosts continue searching for Mr. Martin inside Split River High, Maddie worries about her future. Janet is haunted by her past at her family's farmhouse.

The ghosts look back on Janet's Sweet Seventeen celebration in order to decode the truth of her past. Simon, Nicole and Xavier continue their search for Janet in an unlikely place.

Janet tries to adjust to Maddie's old life at home; the ghosts make a discovery about the objects from their passings. A mandatory school event reveals conflict between the living kids.

When Janet invites Maddie's friends over for dinner, the ghosts and the living must work together to find out her intentions. Maddie uncovers intel about Janet that shakes her resolve.

Maddie and the ghosts find a link between their scars. Tensions rise between Simon and his team at a remote cabin.