The two cowboys Ennis del Mar and Jack Twist meet for the first time in 1963. While herding sheep on a farm in Wyoming, they quickly realize that they have more in common than just the animals and they develop romantic feelings for each other. At the end of the summer, when they part ways again, all thoughts are shattered. Both marry, Jack to the fun-loving Lureen and Ennis to Alma. Only years later, still unable to get away from each other, do they meet again...