When Maddy Rossi witnesses a rare moon ring, she knows that signals a change in her life. But she could never have predicted exactly how that change would greatly affect her future. The journey begins when Maddy and her mother move from Las Vegas, Nevada, to Hot Springs, Arkansas, where she faces making new friends at the local high school. It also means moving into a new home that already houses an interesting inhabitant. She meets the ghost of Gabriel Williams, an angel who can't find his way back to heaven. His story tragic story dates back to the 1950s, when, as a teenager, he is murdered by a high school classmate. Maddy feels an unusual connection with Gabe, and is even more surprised when she discovers that her new boyfriend, David Gibson, and his family have ties to the mystery that surrounds the mysterious angel. As Maddy endeavors to assist Gabriel with his unfinished business, she is at the center when two worlds collide, and her life is placed upon a path of truth.