Police Chief Ronald Galloway is preparing for retirement when a series of murders begin to plague the small town of Prairie Ridge. Ronald soon recognizes a striking resemblance between these crimes and those committed by a serial killer known only as "The Beast" - a sadistic psychopath who took everything from him two decades ago. Determined to catch the killer responsible and allow his daughter's spirit to finally rest in peace, he enlists the aid of Sheriff Dominic Styles and FBI agent Nattily Rosenberg.

As the investigation unfolds, Galloway and his team discover that the killer is far more cunning and elusive than they had anticipated. He leaves no traces of evidence and always seems to be one step ahead of them. The team begins to unravel the killer's twisted motives, along with evidence of dark supernatural powers, which leads them on a dangerous journey through hell itself.

As they begin to close in, the killer raises the stakes by taunting Ronald with body parts from his victims, strategically placed to provoke and intimidate him. As the case becomes increasingly personal and dangerous, Galloway struggles to stay focused and keep his emotions in check.

In the end, Ronald muconfront his own demons and finally come face to face with the monster that destroyed his family so many years ago. With the help of his team, he must find the courage to put an end to the carnage once and for all.

"The Beast Within" is a gripping thriller that delves into the darkest corners of the human psyche. It is a story of loss, revenge, and redemption that will leave you breathlessly hanging on the edge of your seat until the very last page.