The story of "The Thirst That Remains" is a multi-layered narrative that intertwines a historical tale of a cursed soldier with the modern-day life of a young woman on the cusp of adulthood. The audiobook opens in 1761, introducing Thomas Hale, a British soldier who is caught in a fierce battle against Lord Alistair, an occult leader. Alistair, unleashes a powerful curse upon Hale, transforming him into a being driven by an insatiable hunger for blood and a sinister imperative for destruction.

The narrative shifts to the present day, introducing Ashley, a devout Christian and curious eighteen-year-old living a sheltered life in the small, religious town of Havenwood. Her life is disrupted by a series of vivid and terrifying nightmares that align with a string of brutal murders in her town. While the community dismisses the killings as animal attacks, Ashley's dreams, which feature a faceless man and the scent of blood, lead her to believe there is a more malevolent force at play. Her curiosity and growing unease guide her to the Whispering Woods, a place of local legend and the site of the recent killings.

It is in the woods that Ashley encounters Jake, who has been watching her from the shadows. He is drawn to her purity and faith, which stand in stark contrast to his dark and cursed existence. He sees her as a last hope for redemption and a reminder of the humanity he has lost. However, he is constantly battling his destructive instincts. Ashley, in a pivotal moment, sees past his monstrous facade and recognizes a victim of a terrible curse. Her unwavering faith and empathy resonate with Jake, who reveals his past as Thomas Hale and his struggle against the curse.

The narrative reveals that the curse is not a random act but a part of a larger prophecy that Lord Alistair's followers are trying to fulfill. The story concludes with Ashley and Jake in a confrontation that will either feed Jake’s hunger for annihilation or become his undoing.