Shots rang out, leaving Grace dead and her friend, Beth as a prime suspect. Detective Branson shares what he knows about Grace: a woman with no history or past, days within dying, and supposedly on a suicide mission, hoping to rid the neighborhood of a notorious gang, the ZZs. Beth soon learns Grace came from another world and her last request was for Beth to tell her family what became of her. Was Grace a crazy woman, or was she telling the truth? A note and map are Beth's and Detective Branson's only clues as they set out to find the truth.