 Jeff Waring (The Durango Kid) and his friends Tex Harding and Cannonball become involved in the affairs of two rival stagecoach line, one of them headed by Mary Halliday whose father has been murdered by the gang of the rival line, Forrest Brent. She is unaware of this, and hinders rather than helps the Durango Kid and his friends in their attempts to expose Brent and his gang.