Kenny has been raised within the The Brethren, an Evangelical sect who preach purity, morality, and unwavering allegiance to the word of God. A security officer by day, he spends his nights stalking and strangling 'immoral' women, thus, he believes, cleansing them of their ungodly transgressions. But when a new nurse is assigned to help care for his ailing mother, she soon becomes suspicious of the activities of the church.