Jubal Troop is a cowboy who is found in a weakened condition, without a horse. He is given shelter at Shep Horgan's large ranch, where he quickly makes an enemy in foreman Pinky, a cattleman who accuses Jubal of carrying the smell of sheep.

Five individuals from five nations, including the USA, USSR, and China, suddenly find themselves on an alien saucer, where an alien gives each a container holding three capsules. The alien explains that no power on earth can open a given container except a mental command from the person to whom it is given, then anyone may take a capsule and, by speaking a latitude and longitude at it, cause instant death to all within a given radius: thus each of the five has been provided with the power of life and death. Then, they are given 27 days to decide whether to use the capsules, and returned to the places from which each one came...

Charles Hathaway wakes up in West Wales with no recollection of who he is or how he got there. With the help of a Cardiff specialist he traces his life back to his gorgeous wife and their large London house, so all seems well with the world. But more detective work starts to uncover an alarming chain of further stunning wives and a way of going on that the new Charles finds pretty unacceptable.

While guiding a hunting party of clueless European aristocrats, cowboy Bosky Fulton leads them into hostile Apache territory. Becoming separated from the group, Countess Irina Lazaar experiences the first run-in with an Apache, which results in the tracker Shalako coming to her rescue. Despite Shalako's warning to leave the area immediately, the pampered foreigners fail to take him seriously, leaving them in grave danger.

A man and his partner arrive at a small Western town to kill its most powerful man because the former blames him for his wife's death.