A wounded Walker ascends through a manufacturing plant, wounded and using his gun one bullet at a time on killers as he recounts the story of a visiting African businessman who collapses from an Ebola-like virus after infecting several people. He, who has since died of it, was a pawn in an African diamond smuggling ring. Now Walker has the diamonds and a whole cartel is in the building going after him. A "Dallas"-like twist ending keeps him going.

Walker is not involved in this episode's story, but he has a few scenes checking in with Alex's obstetrician to try to find out the sex of their coming baby. Trivette leads a group of Rangers backstage at Las Colinas Studios to investigate skullduggery on a movie being filmed in Dallas.

Lavocat breaks his gang members out of prison to help kill the Rangers and determines a threat to his life. He caused the deaths of C.D., Jenson, and attempted to kill Trivette. A Hayes Cooper story parallels the modern-day one.

Lavocat continues with his plans to kill the Rangers. As the Hayes Cooper story unfolds, Hayes fights an ancestor of Lavocat's. In the present, the Rangers go after him. Trivette gets engaged to a lady named Erika. Alex gives birth to a daughter.

Among the issues Walker has to deal with include a new partner named Trivette, a group of men terrorizing a circus family who camp out at his home, and some bad guys who plan on the ultimate bank caper.

Among the issues Walker has to deal with include a new partner named Trivette, a group of men terrorizing a circus family who camp out at his home, and some bad guys who plan on the ultimate bank caper.

Walker breaks in a new partner while protecting Alex from an ex sheriff turned prisoner who blames Alex for putting him in jail and seeks revenge.

Walker fears he may have to take down an old friend in town from Japan, knowing the man has ties to the Japanese mob.

Walker races to catch an ATM robber with a bounty hunter who's better known for bringing in his capture more dead than alive.

Walker's partner goes undercover and gets sent to prison. But the bus never makes it when a hurricane blows into Texas and Walker follows the escapees to a remote hotel where only the owners and a special friend still remain.

Trouble arises when Alex tries to save a friend's daughter from a religious cult and is captured.

When Walker visits the family of someone he once helped out, he stumbles across a parole officer who seems to be doing more than just his job with ex-cons.

When they capture a woman who took part in a jailbreak, she agrees to testify in New Orleans, which is where Walker and his partner are assigned to escort her to, much to the chagrin of Trivette, who had vacation plans instead.

Walker gets a sinking feeling in his guts when, after arresting two guys for trying to rob a club and shooting the bartender, Alex sets them free and won't give them a reason as to why it all happened.

When a woman goes against the State Police's beliefs that her father was a casualty of his own drunk driving, Walker believes her and stumbles across an illegal ring of toxic dumpers.

Walker always seems to be just one step behind a vigilante, who gets the jump on the men Walker's supposed to arrest and takes the law into his own hands.

A five-year-old case is coming to a close when a serial murderer is finally facing the death penalty. But everyone's dreams come back to haunt them and Walker follows his instincts in believing that they got the wrong man scheduled to die.

Walker and Trivette go undercover to bust an illegal fight circuit.

Walker doesn't trust a couple of FBI agents, who are on the trail of a Native American accused of murder.

Walker and Trivette are on the trail of a drug ring, while a new dean at the local college campus seems to have the inside track to Alex, impeding the investigation of several rapes in the past several months at the same time.

Walker believes that the dean of the college where Alex teaches is hiding something surrounding the rapes on campus, and he also stumbles across information that leads him to believe that one of his karate students has a connection of some sort with a drug ring he's been chasing for some time. But it's personal, not only because the kid's mom's boyfriend set him up and left his partner for dead, but the guy also beats on the kid and the kid's mother.

When one of Walker's friends in the DEA goes missing and suspected of being kidnapped by Mexican drug lords, he decides to take an unexpected vacation...and heads south of the border.

A country singer performs at C.D.'s. Walker takes a liking to her. But her ex-husband who doesn't want to let her go follows her and stalks her. Walker tries to help her.

A boy from a broken home wants to impress his father by stealing drugs. But the drug dealers are now after him and Walker helps him. Also, Trivette and Walker find the men who robbed a store and shot one of the employees.

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

Trivette leads the investigation when a little girl is kidnapped. The mother relies on a psychic so Trivette must work with the psychic. It seems the psychic does have the ability to sense things, and together they find the girl.

Alex sends Walker and Trivette to go bring back a man who killed a ranger who was sent bring him in. Walker is sullen; it seems that the ranger who was killed was a friend of his and that Walker was the one who was suppose to bring the man in but was unable to. When they get on the plane some people associates of the prisoner try to hijack the plane. Walker has the pilots dump the fuel and return to where they came from. Eventually they subdue Walker.

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

Walker and Trivette track a group of brothers who are robbing and assaulting people across the county. The deeper into the back country they go, it gets more difficult for Walker and Trivette. Worried, C.D. goes to help.

There's a reunion of former Texas Rangers and there's a shooting competition with cops from all over the country coming to take part in. An old friend of Alex's, a Senator who is rumored to be running for President is also in town. A retired Ranger and friend of Walker's is also in town and is looking for a man whom he believes is involved in the killing of a cop in another city. When Walker learns of this, he thinks the man is some kind of Black cop who faked his death is now a gun for hire. The group whom he is with is in town to do a job and the one in charge killed a cop who was coming for the competition and assumed his identity. Eventually, they learn that they're in town to kill the Senator.

There's a reunion of former Texas Rangers and there's a shooting competition with cops from all over the country coming to take part in. An old friend of Alex's, a Senator who is rumored to be running for President is also in town. A retired Ranger and friend of Walker's is also in town and is looking for a man whom he believes is involved in the killing of a cop in another city. When Walker learns of this, he thinks the man is some kind of Black cop who faked his death is now a gun for hire. The group whom he is with is in town to do a job and the one in charge killed a cop who was coming for the competition and assumed his identity. Eventually, they learn that they're in town to kill the Senator.

Walker and Trivette attempt to take down an illegal adoption agency.

Walker and Trivette stop in a small town while transporting a likable prisoner. The sheriff rules the town with strict laws, harsh enforcement, and promotes racism with his deputies.

Rustlers are stealing cattle and selling them. A cattle inspector tracks the group down, but is killed when he tries to arrest them. Walker and Trivette pick up the investigation of the rustlers and find the one who killed the inspector.

A new designer drug is on the market and highly priced for rich teenagers. When teens start dying after taking the Silk drug, the rangers must find the source and stop its spread.

A man contacts Alex about a problem but is killed before giving details. His last words are to save the horses. The rangers investigate the man's last days and find a plot to kill the wild mustangs on a range to make way for a development.