* Survival: The main character, Marie, must fight for her life against a ruthless serial killer. She must use all of her strength and ingenuity to stay alive.
* Family: Marie’s family is torn apart by the killer’s actions. She must find a way to cope with her grief and loss while also trying to track down the killer.
* Retribution: Marie is determined to find the killer and bring him to justice. She is fueled by her desire for revenge and will not stop until she has achieved it.
* Evil: The killer represents pure evil. He is a sadistic and remorseless murderer who takes pleasure in inflicting pain on others. Marie must confront this evil in order to defeat it.
These themes are explored in depth throughout the novel and provide a powerful and thought-provoking read.