Ricardo Montalban plays an Indian, Matsuo, who captures Ben Cartwright, but is torn between his wanting to kill Ben and his wife’s Faith.
An evil U.S. Marshall arrests one of the men Ben Cartwright has working for him. The Cartwrights are afraid the marshall will kill him before he goes to trial in Los Angeles.
The store keeper won’t give Luke Grayson a bottle of wine, so Ben Cartwright invites him for breakfast which makes Luke mad. He tries to shoot Ben and Ben shoots him down. So Luke’s shows up to kill Ben with some help from Lee VanCleef.
Ben Cartwright has to face the ambition of a silver baron and a neighbors son while fighting Texas fever in the cattle on the Ponderosa.