An undercover cop is killed by the crime boss he was investigating. The deaf daughter of an Elvis impersonator saw the murder and is now in danger from the killer.

The HOPE Center hosts a charity rodeo to raise money. During practice, a man sexually harasses a woman; Trivette rescues her, but the man is accidentally killed by his own hand. The dead man's father decides that Trivette must die.

Walker returns from Los Angeles with Eagleton, the paramilitary man who killed a Texas Ranger and who was planning something in Los Angeles Walker turns him over to some other men and it's while in transit that some men kill the men escorting Eagleton and spring him. Walker tries to find him, knowing that he is planning something. Sammo Law, the Chinese cop in Los Angeles who helped Walker catch Eagleton, comes and has some information he got from Eagleton's associates.

Walker, Trivette, Alex, Gage and Cooke go to another city to play baseball with the city's police department. Alex meets with the D.A. who is a friend to talk about a major drug bust they made. Later two cops are waiting for someone when three detectives come in and try to kill them. One of them is killed, the other gets away. He makes his way to the courthouse and the detectives chase him, he runs into the D.A.'s office and they shoot the D.A. Walker shows up and tells them to get out. He then talks to the cop who claims that he has proof that the three detectives are stealing drugs from their busts. Walker finds it hard to believe and sends Gage and Cooke to look into it and learn it might be true. Walker thinks that one of the city's high ranking cops might be working with the detectives.

After a lawyer who is representing a man who was beaten when he was arrested is shot. Walker and his team must find out who shot him.

Sydney and Gage go undercover to bust a biker gang that has been dealing drugs to illegally-licensed truck drivers; one of which caused a fatal highway accident that first alerts Walker and company to the operation.

Killer Lavocat breaks his gang members out of prison to help kill the Rangers he determines a threat to his life. Lavocat caused the death of CD, Jenson, and attempted to kill Trivette. A Hayes Cooper story parallels the modern day story.