When Rachel Mullen is found dead by her only sister Beth, her body twisted in an arc of pain, Detective Lottie Parker knows that she has been murdered the minute she enters the bedroom. Lottie’s heart aches for Beth, all alone in the world, whose last memory of her sister will forever be the brutal way she was taken. And when Lottie finds a shard of glass placed in the young girl’s throat, she fears that Rachel may be just the first victim.