When a new weapon knows as a Thunderhawk is stolen, Walker tries to find it. What they don't know is that the man who was in charge of bringing it to the military was the one who stole it. He's planning to sell it to some people who plan to use it for terrorism. But before he could it's stolen from him.

Walker has been able to intercept all the drug shipments of the Ortega brothers. But when they discover that Walker has an informant in their midsts they kill the informant. In the meantime, they still continue to bring drugs in by having people sneak across the border by going throw a ranch owned by Alex's friends. But when the husband catches them, he calls his foreman for help but he kills the man, apparently he works for the Ortegas. Upon learning of what happened the Ortegas make plans to buy the ranch.

Walker,Trivette,and Gage go to walker's bachelor party in the woods when Gage is attacked by a bear

As the wedding of Walker and Alex takes place killer is hired to kill them

The Rangers stop a baby kidnapping ring that sells the infants to parents desperate for a baby. Also, a property owner wants his tenants out of the apartment building, so he plants a bomb with the people inside.

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.

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.

Walker takes in a young boxing prodigy after the boy's parents are killed in a car accident. Meanwhile, Rangers Sydney and Gage go undercover to take down a drug ring.

Boomer Knight runs a youth center in a gang neighborhood to keep the children from joining the gangs. Walker helps him organize basketball tournaments. The drug dealers try to intervene by kidnapping Boomer.

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.

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.

While trying to prevent a crime, Gage is near an explosion. The intensity of the blast, damages his hearing. While they wait to see if his hearing returns, Walker and the others try to find the ones Gage tangled with. And they are also planning to take Gage out too.

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.