The election to determine if Texas will become a state is near and men opposed are running contraband across the border. Sunset and Frog are Border Patrolmen and have an agent that tips them off by carrier pigeon. The Army arrives and the commander is Sunset's brother. When the agent is found out and murdered, his fake replacement then leads the soldiers astray.

"A TWO-FISTED TORNADO...Sunset Carson...trapping sly smugglers...in a thrilling battle of six-guns...and guts!"