Henry Pollicut, a corrupt Utahn banker, has Gordon, a man with evidence against him, and his wife murdered by two bounty killers. Fearing that Gordon's son will give them away, one of the killers slices his throat, rendering him permanently mute. Years later, the son, armed with a Mauser C96, extracts his revenge by assassinating the bounty killer and shooting Pollicut’s right-hand thumb.
At Fort Bragg, cynical newspaper reporter George Beckworth (David Janssen) is at a Special Forces briefing about the American military involvement in the war in Vietnam. The briefing at Gabriel Demonstration Area (named for SGT Jimmy Gabriel, the first "Green Beret" soldier killed in Vietnam), includes a demonstration and explanation of the whys and wherefores of participating in the Vietnam War.
Seven young Texans in the Confederate army during the American Civil War, The Concho County Comanches, journey to Shiloh, Tennessee where a major battle is about to take place. Along the way they encounter many perilous adventures.
Following service in the Congo Crisis, two mercenary comrades in arms go their separate ways to new assignments. Mark Anderson flies to Rio de Janeiro where he is hired to protect mineral mines in the interior of Brazil from saboteurs. The saboteurs have hired his friend.
A fashion photographer, Ben Morris, goes to a remote South America location to take pictures of model Alison Duquesne for a lipstick ad. An adventurer they encounter, Sammy Ryderbeit, steals their helicopter and leaves them stranded in the village.
Django is wounded and his wife is killed when the gold transport that he guards is attacked by the men of his ”friend” David Barry, who wants the gold to finance a political career.
Chris Pepper (Lawford) and Charlie Salt (Davis) own a nightclub in Swinging London, operating under the suspicious eye of the intrepid Inspector Crabbe.
Jesse W. Haywood graduates from dental school in Philadelphia in 1870 and goes west to become a frontier dentist. As a "city slicker", he finds himself bungling in a new environment.
In 1880 in New Mexico, guide Bosky Fulton leads a hunting party composed of European aristocrats into Apache territory. When a French countess, Irina Lazaar, wanders off alone, she is confronted by Apache men on horseback. She is rescued by Shalako, a former cavalry officer in the American Civil War, sent by the Army to guide the party off Indian land.
Half a million dollars is stolen from the Mafia by small-time crook Harry Mitchell, who splits it with girlfriend Stacey Woodward and takes off for Acapulco.
Elvis Presley stars as Native American rodeo rider Joe Lightcloud, a Navajo whose family still lives on the reservation. He returns to the reservation in a white Cadillac convertible with which he proceeds to drive cattle.