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.

A wrestling friend of Trevette's is killed during his flying entrance to the ring. The Rangers search for the businessman who wants to put the wrestling company out of business.

Walker sets out to go after the Chairman. He decides to go after his clients. He decides to start with a man Rosetti knows who is now in Miami. He sends Rosetti, Trivette, Gage and Cooke. They eventually find the man's accountant. They convince him to testify against his boss. Gage and Cooke are bringing him back to Dallas. But when the his boss learns of this, he informs the Chairman who then makes sure he doesn't reach Dallas.

The explosive conclusion of the Rangers' on-going search for the elusive and resourceful Chairman.

A man joins burglars to make money to feed his family. When things go wrong, he is killed. His wife and baby escape, but she has to abandon her baby with Alex. Alex cares for the baby while the case is solved. Alex learns she is pregnant.

The granddaughter of someone Alex and Walker knows is in need of a liver transplant. When a donor is found, the organ is on it's way via ambulance. But some men who pulled a robbery run into the ambulance literally. When their vehicle is damaged they take the ambulance along with the organ. So Walker tries to find it.

A bus transporting female convicts is forced off the road and the ones who force it off the road are the partners of two of the convicts on the bus. They proceed to go on a crime spree. The other two are chained together and escape together. One of them claims to be innocent of the crime she was convicted of and tries to find her son. Her husband tries to find her so he can kill her. They eventually run into Gage who is on a bike ride.

The daughter of a Dallas billionaire is kidnapped by her bodyguard and held for ransom on a nationally televised website. Walker and the rangers have only six hours to save her before she dies.

Gage and Sydney go undercover at a medieval theme restaurant to gather evidence that some workers are stealing art from museums overnight. Gage is identified by a waitress and his life is in jeopardy.

After a trial where a crime boss is found guilty, the head juror is killed. The Rangers connect the murder to the son of the convicted criminal. Others are in danger from the son's revenge for putting his father in prison.

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.

A show played largely for laughs (and with Walker not involved in the story; he has a few scenes checking in with Alex's obstetrician to try to find the sex of their upcoming baby): Trivette leads a group of Rangers backstage at Las Colinas Studios (and the actors' trailers for this show) to investigate skulduggery on a movie being filmed in Dallas.

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.

Lavocat continues with plans to kill the Rangers. As the Hayes Cooper story unfolds, Hayes fights an ancestor of Lavocat. In current day, the Rangers go after Lavocat. Trivette and Erika are engaged for marriage. Alex gives birth to a girl.