This pilot launches the saga of the Cannon family as they fight to establish a ranch in the Arizona territory of the 1870s. Marauding Apaches led by Cochise are on the warpath. The Army orders the Cannon family to move on, but Big John Cannon won't budge. While his brother Buck rides off to recruit gun-carrying cowhands, Big John learns of another enemy: a Mexican land baron claims the Cannon property, and dispatches his men to seize the cattle.
John Cannon's first wife is killed during an Apache raid. Buck, his brother, can't stop Mexican bandits from rustling cattle. Unable to fight on two fronts -- against Mexican marauders and the Indians -- John arranges a defense agreement with his neighbor in Mexico, Don Sebastian Montoya. The Mexican insists that John seal the agreement by marrying Victoria, his daughter, thus solidifying an alliance against the Apache. Moreover, Don Sebastian demands that Victoria's carefree brother, Manoli
Victoria's efforts to overcome husband John Cannon's memory of his first wife are thwarted when Apaches lay siege to their ranch, and she is kidnapped. Victoria is exchanged for an injured Apache and receives two opportunities to live in safety and leave the husband who doesn't love her. Former suitor Anthony Grey rides in with an offer to take her to England, as Indians attack in earnest. Don Sebastian, her father, arrives with armed vaqueros to break the siege and insists his daughter retur
John Cannon must decide whether to send his son to possible death to save their besieged ranch. Three army deserters, who have murdered Apaches on Cannon land, are taken prisoner by Indians. Captain Dabney fails in an effort to rescue the men, but gains Apache hostages, including a female relative of Cochise. When Captain Dabney refuses to trade prisoners, and as the Apaches prepare to execute the deserters (as well as Sam, who is also an Apache hostage), Cannon must decide whether to hand so
Buck, Manolito and Billy Blue are sent to Tucson for food, supplies and boots, but are sidetracked instead by women and song. While John Cannon awaits his trio's return with the goods, Buck promptly enters a poker game with cowhand Kansas and loses the supply money, Manolito courts Pearlita who rolls him for his money, and Billy Blue sets out with little Rag-Tag Tina to buy the fanciest pair of boots in Tucson. Problems grow when the boys try to help Fergus MacLeish and his wife from being he
The future of the ranch is jeopardized when bandits steal a prize bull and breeding stock which Billy Blue Cannon and Manolito Montoya have bought in Mexico with the last of the Cannon money. Victoria persuades husband John Cannon to send the boys to her father's rancho for the cattle after his brother Buck Cannon is injured. Manolito bargains with his father, Don Sebastian Montoya, for his second best bull. Don Sebastian thinks the boys are pulling a prank and hires bandits to steal the bull
A range war comes to the Chaparral when the local ranchers are terrorised by a ruthless cattleman named Tanner, who is forcing them to sell him their stock for next to nothing. Big John finds himself at a disadvantage even though he controls the water, as Tanner has allies among the Apache who he is arming with the latest Spencer repeating rifles. Still haunted by memories of Annalee, John does not appreciate Victoria's interference on behalf of the Mexican ranchers.
Buck accompanies Victoria and Manolito to Don Sebestian's ranchero, but finds it under new ownership, having been seized by a force of ex-Confederate soldiers (filibusteros) led by Buck's former commanding officer, Jake Lanier, who, having lost the Civil War, is intent on carving out a new country on the Mexican side of the border, while the Government there is in chaos following the war of the French intervention.
When Billy Blue Cannon is forced into a showdown with wanted gunfighters, he is saved by a wandering dentist who proves to be fast with a gun. John Cannon returns the favor to Doc Henry by agreeing to send Billy Blue to help the dentist establish a practice in Tucson. Billy Blue is kidnapped en route and held for ransom by the gunfighters, Jacques Dubois and Kid Curry. The boy loses faith in his new friend when the dentist throws in with the crooks. John Cannon corners Doc Henry with the ran
Mistakes of an inexperienced eastern bank clerk who attempts to settle on a ramshackle ranch near the Cannon family threaten to wipe out the cattle industry of the territory. When Creed and Meg Hallock make repeated mistakes, John Cannon sends Buck, Billy Blue and Manolito to help them survive. Creed buys a non-existent herd and is swindled again when he innocently purchases diseased Mexican cattle. John ruins the greenhorn financially when he orders the cattle killed before they can infect o
Billy Blue Cannon faces possible hanging when he is court-martialed on the charge of killing an army general's son. Billy Blue saves an Indian girl from advances by a drunken army lieutenant, who is killed in the fight. When the girl flees to the Apache stronghold, Buck and Manolito risk their lives to persuade Cochise to release Blue's only eyewitness. Her testimony is discarded when the court learns her release was obtained by a bribe. It becomes obvious to John Cannon that the court-appoi
Buck Cannon goes to work as foreman for a lovely neighboring widow, and clashes with his brother John when the job appears permanent. Buck falls in love with the widow, Melanie Cawthorne, and becomes her tool as she strives for quick riches and respectability. As water grows scarce, she buys stolen Mexican cattle from Romero without Buck's knowledge.
Billy Blue Cannon faces possible hanging when he is court-martialed on the charge of killing an army general's son. Billy Blue saves an Indian girl from advances by a drunken army lieutenant, who is killed in the fight. When the girl flees to the Apache stronghold, Buck and Manolito risk their lives to persuade Cochise to release Blue's only eyewitness. Her testimony is discarded when the court learns her release was obtained by a bribe. It becomes obvious to John Cannon that the court-appoi
John Cannon risks breaking a mutual defense agreement with Victoria's father and dissolution of his marriage when his ranch hands join a posse searching for marauding bandits in Mexico. Marshal Virgil Shanks leads the posse into Mexico and comes into strong conflict with Buck and the Cannon cowhands when he disregards the delicacy of the situation and rides boldly onto Montoya land. Manolito finds the bandit leader, El Lobo, on his father's land and attempts to move the bandits out before the
Henry Silva guest-stars as a revolutionary who plans to assassinate Benito Juarez, exiled President of Mexico, on the Cannon Ranch. Manolito frees his old friend Santos from a Mexican jail, where he has been imprisoned by the French as a terrorist for Juarez. Santos and his sister, Pilar, are taken to the Cannon Ranch where Victoria arranges for Juarez to plan an invasion of Mexico. Manolito learns Santos has turned traitor and plans to conquer French-ruled Mexico himself. Before Manolito
Fernando Lamas guest-stars as a Mexican bandit turned revolutionary who captures and prepares to execute the Cannon Ranch hands to prove his power. Manolito is jailed by El Caudillo, the Mexican bandit, when Conchita lures the group across the border. Billy Blue Cannon is allowed to escape, and he returns with El Caudillo's old enemy, Don Sebastian, and the entire group, except ranch hand Pedro, then is jailed. Hope for escape fades when El Caudillo prepares to shoot the group before frighten
An Apache renegade and his followers plan to kill Cochise's peace representative in the Cannon ranch house and start a new Indian war. Medicine man Nock-Ay-Del explains that Cochise will agree to live peacefully if John Cannon offers sufficient gifts. Buck warns against a death trap when an outpost guard is killed during negotiations. Sub-chief Soldado and three warriors move in towards the ranch house to accomplish their purpose.
In the desert, scouting a trail to take his cattle to market, Blue wounds a lone Apache who escapes, but he and John are captured by a group of Apache led by Soldado. Remembering their previous encounter, Soldado spares their lives but leaves them to fend for themselves, without horses, water, guns, or hats. After they track down the wounded Apache, an unlikely alliance forms as they seek mutual survival, until the Apache escapes. Then Soldado recaptures John and Blue.
John Cannon drives gold seekers from an abandoned mine on his land and they retaliate by plotting to kill the Cannons. Lije Driskill, Johnny Faro and Shorty Bleeson fail in an attempt to kill Buck, Sam and Victoria, who are driving back to the ranch with dynamite to use at the mine. Driskill and his companions then raid the ranch and drive off the cattle. Buck, mistaking a friendly kiss from Victoria, leaves to dynamite the mine, and plans to make it his final job for John. Billy Blue ri
The brother of John's first wife, Annalee, arrives at the High Chaparral wounded, and makes an impression on Blue to Buck's displeasure. Not realizing he is a fugitive and a killer, wanted dead or alive for murder and on the run from a pair of bounty hunters, Victoria nurses him back to health. But his true nature is revealed when she is alone with him and unprotected.
Billy Blue Cannon plans to earn money for an expensive silver saddle by boxing. Billy Blue learns Killian and his ranch hands have entered every event in the Fourth of July rodeo to win the saddle, so the High Chaparral wranglers compete trying to help Blue, but they fail. Desperate for funds, Blue works out for five dollars with champion Paddy O'Bannion's opponent, but breaks the man's jaw. Buck convinces Blue he must fight the champ if he hopes to buy the saddle. Blue learns O'Bannion need
Buck and Manolito rescue one of two young white girls held as Apache slaves. John asks a passing Army detachment for aid, but the Officer refuses. Buck and Manolito prepare to buy the girl's freedom, but find the detachment massacred and are themselves captured. The Apache chief and the medicine man, who remember Victoria helping Nock-Ay-Del, offer to let them go free if Manolito can survive a test of courage.
Buck Cannon jeopardizes his life, when he tries to turn two Apaches into wranglers. Sourdough and Saddleblanket quickly become valuable hands. When an Apache war party kills three ranchers and kidnaps the two Indian wranglers, all but Buck believes the two Apaches are killers and have reverted to their old ways. The High Chaparral group tracks the war party to an Army fort the Indians have captured and where Buck lies seriously wounded beyond reach of his comrades. Almost dying of thirst, Bu
Ricardo Montalban guest-stars as a wounded bandit leader who is captured by the Cannons and tells them his followers will destroy them unless he is released. When El Tigre's brother, Rafael, threatens to attack the ranch to free the notorious bandit, John Cannon has difficulty persuading his wranglers to hold the outlaw for trial in Tucson. During the attack Victoria frees El Tigre when he promises to leave peacefully and to stop the bloodshed, but he shows his true colors by making John his c
Blue walks out after a quarrel with his father, and comes across a peace envoy, with his adopted Apache daughter, Moonfire, on a mission to Cochise from the President. As the price of peace, Cochise demands a strip of land that cuts off the High Chaparral from Tucson, knowing John could never agree to it. Blue falls in love with Moonfire, and they return to the High Chaparral with Cochise's demand.
Apache raids close Judah Austin's mine, so he offers Stoner $100 bounty for Indian scalps despite John Cannon's objections. Stoner's son, Chad, is wounded in an attack on the Apaches, and turns against his father whilst recovering at the High Chaparral. Sub-Chief Soldado traps John, Blue, Stoner and Chad in the open, and demands Stoner be handed over.
Ramon Novarro, silent film notable is guest star as Padre Guillermo, who flees Mexico to escape the vendetta of a twisted killer. The padre is accompanied by two nuns and Maria. John Cannon agrees to protect the group when Maria's demented fiancé Ramon, who has plundered the padre's Mexican convent, arrives on the scene. Maria rides into the desert intent on sacrificing herself to prevent more bloodshed. Manolito finds Maria, but is trapped with the girl by Ramon.
John Cannon is forced to relive his final days in the Civil War by a man he disfigured in combat. Vengeful Finley Carr and his brother Stacy kidnap Victoria and head for high country, certain John will follow. Carr captures John and subjects him to physical exhaustion and hunger for three days as he prepares to reverse the roles of their first meeting. Buck, Billy Blue and Manolito force one of Carr's men to help plan a rescue.