Daphne lives in Hell with her parents, Lilith and Lucifer. She's never left, not even to just go explore Earth. Her older brother, the only person Daphne really cares about, is gone for long periods of time, as his job is to save the souls of the Lost Ones--children of demons or angels and humans. Obie, Daphne's brother, decides he's had enough of this kind of life and choose to leave. On his way, he stumbles across Truman, a Lost One who wasn't suppose to be there. Daphne, trying to stop Obie from leaving, can't explain what draws her to Truman. Before she knows it, they're both gone.
Before long, Lilith reaches out to Daphne in a panic. Obie has gone missing and Daphne must go to Earth to find him. Determined to find him, Daphne heads to Earth and searches for the one person she's sure will know where Obie is. Truman. Only Truman has no idea how to find Obie and is on his own path of self-destruction. Can Daphne save Truman in order to save her brother?
Not as good as The Replacement, the story does grow on you. There are some elements of Percy Jackson-type quest here, as Daphne and Truman travel from Chicago to Las Vegas to find someone they aren't sure how to find, and following clues they're not completely sure of. The beginning is a little complicated but it gets more even as the story plays out. An enjoyable supernatural story with romantic overtones.