Three of the original five "young guns" — Billy the Kid, Jose Chavez y Chavez, and Doc Scurlock — return in Young Guns, Part 2, which is the story of Billy the Kid and his race to safety in Old Mexico while being trailed by a group of government agents led by Pat Garrett.

In a small western town our hero Durango delivers his prisoner to the jailhouse and then goes to the local saloon where the lady saloon owner Joanne has eyes only for him. But Durango only has eyes for his bride-to-be Lucy. Four masked men attack Lucy's father's farm and steal Lucy's dowry. They kill Lucy and her parents after the father strips the face mask from one of the bandits. A pocket watch is stripped from one of the bandits by Lucy's father and this is the only clue that Durango will have to revenge his love... With Joanne's help can Durango avenge himself?

Farmer Frank and his ward hunt brother Jesse's killers, the back-shooting Fords.

Cattle baron John Chisum joins forces with Billy the Kid and Pat Garrett to fight the Lincoln County Land War in the New Mexico Territory of 1878.

Will Lockhart arrives in Coronado, an isolated town in New Mexico, in search of someone who sells rifles to the Apache tribe, finding himself unwillingly drawn into the convoluted life of a local ranching family whose members seem to have a lot to hide.

A group of young gunmen, led by Billy the Kid, become deputies to avenge the murder of the rancher who became their benefactor. But when Billy takes their authority too far, they become the hunted.

Two missionaries witness a murder by hired guns and go on the run. They stumble onto the cabin of two retired contract killers who agree to help the women find safety, but only their guns can secure that promise.

Two incompetent Western outlaws engineer several failed crimes, including a botched stagecoach holdup. Fred Williamson, a tough-guy perennial in blaxploitation movies, does a rare comedy turn as a blundering patsy to Richard Pryor's slick con man.

New Mexico Territory, 1880. Rio Cutler and his older sister Sara must abandon their home after an unfortunate event happens. In their desperate flee to Santa Fe, they cross paths with the infamous outlaw Billy the Kid and his gang, who are ruthlessly pursued by a posse led by Sheriff Pat Garret.

After a particularly brutal heist, Alex is disturbed by the actions she and her fellow gang members have just committed. Terror sinks in as she looks around the campfire and realizes that she's the only one affected by their grizzly deeds.

Bill Ralston arrives in town planning to settle down but quickly gets caught up in the fight between the townspeople and Poe Daggett and his gang. He takes the job of town Marshal and soon brings law and order. When Daggetts men ambush him he kills Poe's brother. Poe then kills Bill's friend Brant and this leads to the showdown.

The Rangers in New Mexico are being disbanded but Bob Houston gets them to make one more ride. They go after the outlaw gang led by Hashknife. They catch Hashknife, but he escapes taking Barbara with him and Bob and Slim have to go after him again.