When a crime scene technician is forced to kill an assailant who knows her secret past, her daughter is abducted, triggering a lethal twenty-four-hour race against time. Grace Descanso, a former medical prodigy turned crime scene technician, must confront the ghosts of her time in Guatemala to save her child from a mysterious figure known as the Spikeman. The narrative follows a high-stakes, linear progression as Grace navigates a series of forced tasks and deadlines designed to break her resolve. She must rely on her forensic expertise and suppressed medical knowledge to decipher the clues left by her daughter's captor before the final deadline expires.

This novel functions as a fast-paced thriller that leans heavily into the tropes of the genre, specifically the 'ticking clock' mechanic. The narrative focuses on the protagonist's internal struggle with her past while maintaining a relentless external pace. Readers likely find the blend of forensic detail and high-stakes kidnapping to be the primary driver of the story's momentum. The book suggests a focus on the vulnerability of a parent forced into a dangerous game, emphasizing the physical and psychological toll of the scavenger hunt.