A terrible accident brings sixteen-year-old Casey Everett's life to a halt - literally.Pulled from the water, Casey is rushed to the hospital and miraculously revived.But her sudden return to the living is shadowed by the drowning of her best friend, Liddy. Overcome with grief, Casey returns home for the summer only to find the memories of the accident won’t let her go.Shadow-drenched nightmares. Whispers in the back of her mind. Her friend's screams. Not even Evan, her neighbour and long-time crush, can seem to break through to her.Casey thinks she's losing it... until she watches a boy fall from the sky. Red - an angel fallen to earth to regain his wings - takes her to Limbo, a place that exists somewhere between the living and the dead.Now, as she struggles to understand her grief as well as her growing feelings for Evan, Casey must learn to walk these mysterious and dangerous paths in order to save Liddy. Failure means losing her best friend’s trapped soul to something worse than death. Action-packed and deeply moving, Elizabeth Hrib’s heartbreaking debut explores grief, survivor’s guilt, and the lengths we will go to to protect those we love.