Detective Dawn Grave is a career cop - a workaholic, hiding from a tumultuous past. A recent threat to her sister's life forced Dawn back to the place where her nightmares began. She's since managed to overcome most of her demons, but a local murder investigation threatens to unearth a secret she's worked hard to keep buried. When a woman's remains are found in croc-infested waters, mauled and unrecognisable, Dawn finds herself working alongside a ghost from her past. One who could be the lynchpin she needs to solve the case. Or her prime suspect...