A wealthy Dallas family and staff are murdered, then another family's daughter is abducted by the same masked men. This was part of a larger plan that was meant to extort millions of dollars from other wealthy families. While Walker and Alex are transporting crucial evidence for a potential conviction which places them in harms way.
An aspiring female Country music artist is being closely followed by Brad Alt and follows him under the pretense that he will help her launch her career. What she doesn't know is that he is trying to gain control of the heroin industry in Dallas.
The serial killer awaits his trial, perilously close to being released from custody and ready to flee the country, as Walker and Alex struggle against all odds to get to the courtroom with the critical evidence that will convict him.