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.

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.

It appears that Indian spirits are protecting Indian burial land. Witnesses report that spirits appear, frighten, and attack those who get in the way. Walker seeks help from the Indian Tribe to learn how to fight evil spirits.

Trent has gained a lot of notoriety of being a defender of abused women. Now the abused wife of a criminal turns to him for help. At the same time Walker asks for her help to get husband.

Trivette's brother Simon is in town with drug dealers, trying to arrange a big operation. The Rangers are determined to stop the organization. Simon is told he has to kill his brother.

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.

A man who calls himself The Chairman talks with various mob bosses and informs them that he knows who among their people are undercover operatives sent by the government. He offers to weed them out for a fee. But one man, named Cardoza who is based in Texas refuses but when the Chairman tells him that a Senator is in Dallas to meet with Alex on how to deal with him, he claims that it doesn't bother him. But, he actually decides to take her out. The Chairman then informs the Rangers who stop Cardoza's men. Later when the Senator is informed of undercover agents turning up dead, she decides to form a task force to find who is doing it and she wants Walker to head it. Walker accepts and he brings in, Trivette, Gage and Cooke to help him and he is told that a New York cop named Rosetti is part of his team. Thinking that whoever is doing this must be hacking the Government's computers, Trivette gets a hacker who is in jail to help them. They start by going after Cardoza.