Violet Harmon moves to the house in Los Angeles when she's still a small girl, and there, she meets a ghost. She grows up with the ghost in her room, the only person who takes care of her and doesn't mind that she's different. It's not until she grows up, that he realizes she'll eventually leave him, and that's not something Tate can deal with. He wants Violet with him forever.

Over the space of months, even years Violet and Tate start breaking down the veil that is parting them, while another, more profound veil starts slipping. As life and death start to mingle a mysterious book appears that seems to hold the secret to the house and how to end everything.