Samantha Holt had the perfect life with a handsome fiancée and a future that couldn’t look brighter. But an unexpected turn on a dark lonely road puts her on a collision course with Bruce Miller, a devoted family man who descends into madness when he loses everything he ever cared about. One year later, Bruce decides to give Samantha the punishment he believes she escaped. Samantha has struggled with her own demons since that fateful night, and Bruce will take her struggles to the edge when he implements a demented plan to teach her a twisted lesson that may cost her the ultimate price.

Katherine Morrissey, a former Christian missionary, lost her faith after the tragic deaths of her family. Now she applies her expertise to debunking religious phenomena. When a series of biblical plagues overrun a small town, Katherine arrives to prove that a supernatural force is not behind the occurrences, but soon finds that science cannot explain what is happening. Instead, she must regain her faith to combat the evil that waits in a Louisiana swamp.