Walker attempts to infiltrate a powerful, shadowy committee of vigilantes.

Cordell and Trivette go undercover to try and catch a bunch of big rig hijackers.

The leaders of a money laundering operation at a bingo hall are captured and put on trial. The accountant is asked to testify against her bosses. Walker and Trivette have to take her to court, but she keeps escaping them for her own agenda.

The homeless are being beaten by a group of teens who film their attack. Walker poses as a homeless man to see if he can catch them in the act.

The Cherokee Indian racing team is experiencing a lot of problems with their cars and drivers. A rival team wants to make sure the Cherokee do not win the races. Meanwhile, a young girl is kidnapped so Trent and Carlos search for her.

Gage's sister is a reporter. She goes undercover to investigate a crime boss operating at a local bar. When she goes missing, Gage and Sydney go undercover to find her. Meanwhile, Walker and Alex go on a camping trip.

A man who calls himself The Chairman talks with various mob bosses and informs them that he knows who among their people are undercover operatives sent by the government. He offers to weed them out for a fee. But one man, named Cardoza who is based in Texas refuses but when the Chairman tells him that a Senator is in Dallas to meet with Alex on how to deal with him, he claims that it doesn't bother him. But, he actually decides to take her out. The Chairman then informs the Rangers who stop Cardoza's men. Later when the Senator is informed of undercover agents turning up dead, she decides to form a task force to find who is doing it and she wants Walker to head it. Walker accepts and he brings in, Trivette, Gage and Cooke to help him and he is told that a New York cop named Rosetti is part of his team. Thinking that whoever is doing this must be hacking the Government's computers, Trivette gets a hacker who is in jail to help them. They start by going after Cardoza.