Since Thad Toon had put the 'Indian sign' on Ben Holland's spread, no cowhand would ride with the Rocking H's trail drive. Just to make sure, a rough-cut gang of killers had been hired to keep it that way. Then Dusty Fog and the Floating Outfit rode into Granite City, and Dusty decided to take up the dare ... and teach the Double T what Texas trail-bossing was all about!