A farmer spots the two boys and alerts the sheriff, but Heyes and the Kid jumps on a train and manage to get away. On the train they meet Harry Briscoe, who's now fired from Bannerman Detectives Inc. But when the posse telegraphs ahead, Heyes quickly reinstates Harry - and the boys become his prisoners.

The sheriff doesn't buy it though, and sends a deputy along with them to make sure they get to Wyoming. Harry manages to fool the deputy into believing that the Devil's hole gang is after them, and makes the deputy the decoy, while he and his two prisoners take another route.

Soon, the Kid's newly requisitioned horse is hurt, and they have to board a train again. Unfortunally the train heads back to the town they came from, so Heyes and the Kid decide to jump off the train to wait for Harry, who thinks that the sheriff might be fooled by the same trick twice... But is Harry wrong, and will Heyes and the Kid survive until Harry can save them?

The boys are hired by a ranch owner as trappers, but when they meet his wife, she recognizes the Kid. The ranch owner and his wife tries to act natural, and sends Heyes and the Kid out into the hills trapping. But they also send a professional hunter after them.

Heyes and the Kid are attacked by the hunter, and Heyes is wounded. The Kid manages to out-maneuver the hunter by himself, and they tie him up, leaving him in the woods for the ranch owner to pick up. Before they leave, the hunter tells them that he was sent by the rancher.

This makes Heyes and the Kid go visit the ranch, where they decide to take the rancher and his wife as human shields while they ride to the nearest rail road. But on the way there, they are ambushed and pinned down behind a rock in the middle of nowhere by the hunter and his sharpshooting rifle. It's only a matter of time before he shifts position and makes the kill...

Heyes and the Kid have been promised $500 if they arrange a meeting between ""Big Mac"" MacCreedy and his longtime competitor, Armendariz, in order to end the feud. Instead they are captured by Armendariz' men and driven off his land.

But Heyes has gotten the brilliant idea of trying to use the sister to get to Armendariz, so he and the Kid tells Big Mac of all her beauty. Big Mac falls for their story and is prepared to give them $5000 if they settle the whole business.

They return to Armendariz' ranch and try to sell her on the idea as well, but she doesn't seem to buy it. They're once again driven off Armendariz' land. Heyes encourages the Kid to have some faith, but when they sneak back in to talk to the sister, they are captured - to be brought to the border the next day. However, they manage to convince the sister that Big Mac is catholic, and that he desperately wants to meet her.

The Kid fears that it won't be so easy to make Big Mac pretend that he's catholic - but when they tel

With McCreedy's $5000 and ready to go to Santa Marta, the boys turn back to Texas, to get their friend Clementine. When they get there, they decide that it would arouse less suspicion if one of them were married. A game of poker seals the Kid's fate, but before they can leave, they are shot at.

The house is surrounded by a group of men bent on taking Heyes and the Kid. Through some quick thinking on Heyes' part, and the involvement of an alleged buried treasure, they can eventually get out of there and go to Santa Marta.

There Clementine falls in love with the alcalde, which is a problem for the Kid, who's supposed to be her husband. At the same time, Heyes and the Kid has their minds on the only photograph of them, which Clementine has and sometimes uses to blackmailing them into doing things for her.

But things turn from bad to worse, when one of the men from the posse earlier in the episode finds them again, and makes the alcalde arrest them.

Heyes and Curry are set up as witnesses for a man who kills two bushwhackers for his own reasons.

When the Kid travels alone and seems destined to be thrown in jail for not having enough money to pay for his drink, a mild-mannered female teacher rescues him. But as he tries to return the favour, the Kid is kidnapped.

Soon Heyes comes to town, and puts together what happens to the Kid. But the teacher won't talk - not until Heyes uses his charms on her. Only then will he find out the real reason for the kidnapping.

After nearly three years of staying out of trouble, for the sake of the amnesty, it's finally time. But when Heyes and the Kid meet sheriff Trevors, they find out that the governor has been removed from office.

The new governor, however, seems nicer. He promises them amnesty, as soon as they do this one job for him. It seems that his daughter has fallen in love with an outlaw, and Heyes and the Kid must bring her back.

The Kid takes it upon him to charm the daughter, and thus make it easier for them to take her with them. But the Kid hadn't counted on her boyfriend's jealous nature and fast gun...

After the Kid wins another duel (over a man who claimed the Kid was cheating), the boys are contacted and offered a job by a man called ""Doc"" Donovan. They are to come with him into Mexico, to rescue a hostage from Mexicans who only want their rightful money.

The Kid senses that Doc knows who they are, but they cannot be certain, and why would he hire them instead of collecting the fee?

They manage to sneak out the hostage, Mr Zulick, but are chased by the kidnappers. After a daring stunt, they lose their followers, and Mr Zulick can continue on his journey. Then, Doc turns them over to the sheriff...

But where is Mr Zulick headed and why? And why does the sheriff want to let Heyes and the Kid go?

Confusion reigns after Smith and Jones stop to help a wounded man who calls himself McGuffin and asks them to deliver a package of perfect counterfeit $20 plates for him.

"Witness to a Lynching" is the 49th episode of Alias Smith and Jones.

The boys accept the offer of a vacation - but doesn't realize that the activities during this vacation involves catching and taming wild horses.

They and their friend, Bronc, check into a boarding house near where the horses are, and meet some people whose coach has broken down. Among them is Beegee, a woman on the look-out for a husband, and who takes a good look at both Heyes and the Kid. And then there's the very religious man with a sister who has a crush on the Kid.

But the boys must also battle wits with a ranch owner who thinks that the horses walk on his land. Prhaps the only solution is to shoot him to stop him from stealing ""their"" horses?