Joe Lopez is a paroled convict wanting to stay clean and mend his relationship with his family. Unfortunately, he is being pressured to use his safecracking skills to help a gang pull a job. He enlists the help of Walker to go undercover in an effort to nail them.

Drug dealers are being more active and brazen trying to sell their drugs. They target a high school, and a teacher is killed when he tries to run the dealers off the school grounds. The students decide they must take back their school.

A hit team targets a future wedding for two cops and their friends including the best man and maid-of-honor, Alex.

Alex's life hangs in the balance after being shot by a criminal at her friend's wedding. The Rangers track down the team who attacked during it. Walker keeps remembering how much Alex means to him.

A relative of Carlos' named Hector is falsely arrested for a crime and sent to prison. Alex and Walker prove his innocence, but before he is released, he witnesses a guard kill another prisoner who wants to blow the whistle on wrongdoing.

A criminal Walker arrested years earlier is released from prison. But he goes back to a life of crime. Trivette goes undercover to infiltrate his gang and get evidence to arrest him again. Alex and Carlos help a teen stay out of gangs.

A company is dumping pollutants into the river in which Native Americans swim and fish for their tribal families. The children start dying. A group of Cherokees decide to solve the problem themselves. The Rangers work with Sheriff Sam Coyote to find the evidence of the dumping.

An escaped convict embarks on a deadly pursuit to kill every person who was involved in his sentencing. His top target is the kind old judge who the convict intends to return the favor by executing.

Satanists start kidnapping children a week before Halloween. Texas Rangers investigate.

While camping in the Utah mountains, Alex is kidnapped by a trio of mountain men who force her to their backwoods cabin. Walker, Trivette, Sandoval, and Malloy follow their trail through the mountains, determined to get her back. When they reach the cabin, Alex finds out she's not the only woman who has been stolen by the trio.

A former member of the IRA brings his daughter to Dallas for medical treatment. However, Irish radicals follow them there to kidnap her and force her father to help. The Rangers must find her before she dies of her illness.

To celebrate Walker's birthday, C.D. gives him a book about the early life of Hayes Cooper. C.D. relates the adventure of Cooper protecting a wagon train from outlaws.

Country music singer Lila McCann stars as Kelly Wyman, another aspiring country music singer. One of the many obstacles she faces is a slick talking talent agent, who is the mastermind behind a drug cartel that Walker is trying to bring down.

A young truck driver refuses to transport illegal drugs for a corrupt sheriff, who places a bomb on his truck; he survives and goes into hiding. His mother asks the Rangers to look into the matter.

Carlos' nephew, Jesse, is accused of killing a police officer during a drug raid because the murder weapon was found in his possession. It was left in his care by one of his friends, and he is forced to take the blame to protect his mother.

Special Olympian athletes are in town for the competition. One makes friends with the Rangers and their friends. She witnesses a hit-man's attack on Trent to prevent him from testifying in court.

A high school principal reaches out to Walker when his school is overrun by drugs. It appears to be an inside job as the students always know when there is a raid. When he finds the leader, he is killed.

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

A Cherokee Indian driver is injured by a rival racing team. Walker takes his place in the race.

Models are being kidnapped to be sold in a sex-slavery auction. Trivette's girlfriend is the most recent disappearance. The Rangers must find where they are being held before the sale is finished.

A crime lord named Caleb Hooks, who Walker helped put in prison several years ago, escapes from prison, bent on revenge against the Rangers because his brother had been shot and killed during a shootout, and he claims it was murder. He initiates his plan by having Alex and Trivette kidnapped, then placed in a huge tank full of freezing, running water. He then contacts Walker and begins playing cryptic games with him, in hopes of both luring him into a death trap of his own and stalling him in his efforts to rescue Alex and Trivette before they drown.