In the late 1800s, former prostitute turned farmer's wife Sarah, and her husband Miguel, try to build a new life in the harsh landscape of New Mexico. Their peaceful existence is shattered when a fanatical preacher named Prophet Josiah harasses Miguel for refusing to sell their land. Josiah, who commands a dangerous following among the townspeople, becomes increasingly aggressive, driven by his twisted religious beliefs and a desire for power. Tensions escalate as Miguel goes missing, pushing Sarah into a confrontation with Josiah and his violent followers.

At the same time, eccentric Sheriff Jackson arrives in town to investigate a series of mysterious murders. He begins uncovering the dark underbelly of the town, finding connections to Josiah and his followers. Sarah, fueled by grief and rage, starts her own quest for justice. As their paths converge, Sheriff Jackson and Sarah face a looming battle against the insidious forces that have taken root in their community. Through determination and cunning, they each confront the atrocities committed by Josiah, leading to an explosive climax that will forever change the landscape of their lives and the town itself.