 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.