* The destructive nature of obsession: The story centers around a man, Ben, who becomes obsessed with a missing girl and his own theories about her disappearance. This obsession consumes him, driving him to dangerous and unethical actions, ultimately leading to tragic consequences.
* The blurred lines between justice and revenge: Ben's quest to find the missing girl blurs the line between seeking justice and exacting revenge. He crosses ethical boundaries and engages in questionable tactics, ultimately questioning what he is willing to do in the name of justice.
* The power of manipulation and deception: The novel delves into how easily people can be manipulated and deceived, particularly when they are vulnerable or driven by strong emotions. Ben, as well as other characters, fall prey to manipulation and deception, showcasing the fragility of truth and the ease with which people can be misled.
* The consequences of unchecked power: The story highlights the dangers of unchecked power, both in individual characters and institutions. Ben's actions, fueled by his obsession, demonstrate the destructive potential of unchecked power, while the police department is shown to be flawed and susceptible to corruption.
* The human cost of tragedy: "Shackled" explores the devastating impact of tragedy, both on the individuals directly affected and on the community as a whole. It delves into the grief, anger, and despair that arise from loss, and how these emotions can drive people to desperate measures.
Ultimately, "Shackled" is a chilling reminder of the dangers of obsession, the complexity of justice, and the far-reaching consequences of human actions.