Detective Mike Souder and his partner Brian Heigh work in a small Texas town, investigating the disappearance of local women. Their investigation leads them to the desolate, abandoned marshland known as the killing fields, where bodies of murdered women have been discovered over the last two decades. The case becomes personal for Souder when the body count grows, putting a strain on his already troubled relationship with his ex-wife Pam, a fellow detective in the area. Adding to the tension is Anne, a young, neglected girl who frequently comes into contact with the detectives, revealing a disturbing connection to the victims.

As Mike and Brian delve deeper into the case, they encounter various suspects but are continually stymied by lack of evidence. They are forced to confront the grim reality that the killer could be someone from within their community. The mounting pressure to solve the case creates rifts between the two detectives, challenging their professional and personal resolve. Dark secrets begin to surface, leading them to question whom they can trust while racing against time to prevent further murders. The film paints a harrowing picture of obsession and the human cost of a relentless pursuit of justice.