⁣
The Cartwrights, with Hop Sing, finish a cattle drive in San Francisco. Ben warns the other men of the dangers of the big city. Nevertheless, some of the men are careless and naive. Two of the hired hands disappear, and Ben suspects that the men were shanghaied. With invaluable assistance from several of Hop Sing's cousins, the Cartwrights locate the missing men and break up the racket.

⁣When a bank president is murdered, the townspeople accuse the man's future son-in-law of the crime and a lynching party is formed. Cisco and Pancho must find out who the real killers are before the mob hangs the innocent man.

⁣The bells that rang out gold . . . romance . . . oppression!
Mendoza ruthlessly controls the valley of San Fernando and his men guard the only entrance. When Mendoza announces he will marry Michael's girl friend Maria, Michael plans an escape.