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'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.
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.