Keegan Belcastro has always loved a mystery, even when it got her into trouble. When research for a school paper leads her to a haunted mansion full of desperate phantoms, learning who they are and how they came to be trapped there evolves into a quest for their freedom.

Shane Bitrec has been Keegan's next-door neighbor and best friend for most of her life. High school graduation is going to mean big changes that she's been trying to prepare for all year. But drifting away hasn't been as easy as she thought, and when Shane gets involved in her quest, it disrupts more than just her independence. Confrontation gives rise to unprecedented feelings that threaten everything they've meant, or could mean, to each other.

When transitioning the spirits to the afterlife proves more dangerous than Keegan expected, Shane's constant presence becomes both a vital tool and an emotional minefield. Investigating the mansion's darkly complicated history leads to Keegan becoming tied to the energy of the house and its phantoms. Their desperation threatens her life, and only Shane can protect her. But who will protect him?