Pat Garrett is hired as a lawman on behalf of a group of wealthy New Mexico cattle barons to bring down his old friend Billy the Kid.
Cattle baron John Chisum joins forces with Billy the Kid and Pat Garrett to fight the Lincoln County land war.
When a crooked sheriff murders his employer, William "Billy the Kid" Bonney decides to avenge the death by killing the man responsible, throwing the lives of everyone around him into turmoil, and endangering the General Amnesty set up by Governor Wallace to bring peace to the New Mexico Territory.
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.
Pat Garrett arrives in Abilene where he catches five of Butch Cassidy's gang. He calls in Wyatt Earp and Bat Masterson and they learn there is a half million dollar shipment of money arriving by train and Cassidy is amassing enough men to take it.
An aging killer trains a young hired gun in a plot to assassinate a meek brothel owner performing barbaric abortion acts on his prostitutes.